@@thecave9157 Thanks for sharing. I agree that rapid antigen tests are not as sensitive and accurate as RT-PCR. But then not all rapid antigen tests are equally bad! This one seems to have given you a lot of false positives. I hope you can find one that is not this bad. Best wishes.
This happened to me too. I used the blue box NHS rapid test, all positive but used a different one all negative plus PCR came back negative. Had no symptoms at all
@@jens4510 Hi - thanks for sharing. Seems like the first test you were using was not very good. Is there a way I can review its clinical performance testing data?
I tested postive in 3 rapid tests done in three days different companies. Went for pcr test came negative twice. I did it one more time I'm waiting for the results. this doesn't make sense because I was a close contact to postive cases and I have strong symptoms. 🙄
Hi Dr. Naveen, it is a very nice video you made and it givea so much englightment to many people out there. I'm from Jakarta, Indonesia. I went to have a PCR test on January 16, it resulted negative. Then I went to have a rapid Swab Antigen test in a small clinic on January 17and I was tested postive. On January 18, I went for another PCR test at a proper hospital and I was tested negative. It made me 2 days of confusion but I chose to keep on going with life as I have no symtomps nor health problem. Thank you doctor!
Hi - yes, unfortunately this is happening very commonly. I am glad you were negative, twice on PCR. That is the more reliable result. Best wishes and stay safe.
Hi - thanks for sharing your experience. There are so many ways you can get a false result. Some have to do with test accuracy, but there are many other mistakes during sample collection and testing that can also give a false result. I really like your attitude. Best wishes and stay safe.
I had a positive RAT tonight but I have symptoms of sinus infection... I read that facial pain and congestion (and sneezing) is a sinus infection I do have a cough but that can be sinus too. Ive had a LOT of sinus infections in my life and I can spot the symptoms. But my RAT was positive and I'm so confused. I'm going to do another one in the morning and get a pcr test.
I would like to thank you for bringing this topic up. I experienced mild symptoms (Cold, sore throat, No fever) two days back, I went for an RAT and RT-PCR test, RAT came Positive whereas after 1 day RT-PCR was Negative. I was confused and wondering what does this mean. I have been immensely searching and trying hard to get an answer for this. Doctors seem puzzled about this and advised me to remain in Isolation for 7 days as I am Covid positive only according to them. I am confused and in search of an answer to this ended up here. Shall I take the test again?
Same thing here. 3 very light positive home tests and 2 negative PCR tests in between. I went to 2 different testing sites and both said negative but how do they explain the 3 light positives?
@@alarnajenkins @Suhai Ansari - yes, falser positives from rapid antigen tests are possible. If you did an RT-PCR test and it was negative, that is the one more reliable. You can also repeat the rapid antigen test (but not later than 5-7 days after your symptoms appear) to be more confident in the result. Finally, if you are in the USA, please report the false positive to the FDA.
I got my first antigen test on sept 20 it result negative.then my 2nd is on sept 26 and it positive no symptoms..i got my fully vaccinated on sept 17..
Hey a week ago I tested positive with a home test a couple days later I took another one and it was positive , I waited About 4 days and went to Walgreens to take a pcr test and it was positive it didn’t make sense to me so I took another home test and it was negative so this has been a back and forth thing I keep getting positives from Walgreens and negatives from home test which one should I go by
Ive taken multiple test which are negative within the 30 minutes but when i leave it for a longer time all of them have shown a faint positive line What does that mean ??
Hi - test result is valid within the timeframe they show on the instructions. If you are getting a faint line after 30 minutes or longer, you cannot rely on that result. If you don't have symptoms but you think you may have been exposed, I would recommend a PCR test to confirm. These types of rapid antigen tests work better if you have symptoms.
Thank you for updating us on this, I really appreciate your work, I would be grateful if you could sources to things you talked about in the description if that is possible. Thanks in advance !
Going to do my rapid Test, have like head flu systems. Nose congested, headache, muscle pains. No fever, no throat sore. Eating and drinking normal. Just have a thirst all the time. Stomach on day one Saturday was running and felt dizzy and lost consciousness. But this has not happened again.
Went and did the antigen rapid test. The results was negative. I also went and got some azithtomycin antibiotics. Felt like the test was not enough to establish what's wrong with me. This headache so bad, like a sinus headache. Also taking pain pills. Hopefully by tomorrow I will be fine.
Hi, I don't have Covid symptoms but the rapid covid test says I'm positive yesterday. As I know, I have allergic Rhinitis for many years. Should I take PCR test?
Hi - if you think you have been exposed to someone who has tested positive for COVID, it would be a good idea to confirm with a PCR test. Generally, the rapid test should be reliable within 5-7 days from when you symptoms start. In your case you don't have symptoms, so the positive result may be not too reliable. You may also repeat the rapid test, but doing a PCR confirmation would be more reliable. Best wishes.
Hi - I do not think the color matters. Each test is different. Please check the instructions for use for the test to see if they show a black line on T as an indication of positive test.
Hello - yes it is possible. There have been many reports of false positive results from rapid antigen tests. However, just because there are no symptoms does not mean there is no infection. Many people without symptoms do have the coronavirus infection. I would recommend discussing with your doctor and evaluating your situation with complete information such as exposure to someone else confirmed positive and the medical history. Best wishes.
Hi - Do you have any symptoms? PCR is generally more sensitive and accurate. This may be a false positive result. You may consider repeating the rapid test in 24-48h after the first test.
you are right sir,i am feeling good not fever or headache or anything, i went testing about a 3 weeks for Covid-19 i did test 3 different places and when the result came back two of the result i was Negative and one came out Positive, i talk to my doctor about it, my doctor told me to quarantine, after two weeks i tested again at the same place that the give me positive result and i went to test different place, at the same place that result came out positive last time they result came out again positive at the new place the result came out Negetive and both did PCR test, some of this hospital or labs the are making mistakes, the only reason that i went to test for covid-19 is i need a certificate for travel to show the airline that i do not have covid-19 so the can allowed me to flight. You are rights sir things are confused i guess people the should be more careful with they positive result and doctors the should make sure that the labs equipment are getting update, because the keeping using same equipment over and over if the test the sample for some who have coving and you are using same material the result of all people gonna come out positive.
I am sorry to hear about your experience. This must be very frustrating for you. But I am also glad to hear you did not actually have COVID. Best regards.
Good morning, One of the guy did the PCR test first day the result came positive and he did the same test again but the result came nagetiv what's happening here I don't now
Hi - to confirm, you are saying the second time they did the same PCR test, it was negative? How many days after the first PCR did they do the second PCR?
@@sahihal-bukhari3325 Hi - thanks for sharing this information. This is very strange. Was it the same PCR test and sample taken by a medical professional?
@@sahihal-bukhari3325 Hi - ok then it may be possible that one of the PCR test or how it is done is not very good. In general PCR is more accurate and reliable, but not all PCR tests are equally good. It also depends on how the test is done and how the sample is collected.
Dear sir, my medical test done to travel abroad but unfortunately my (MICROFALERIA) antibody test is positive igG positive.i have tested antigen test its nagative there no antigen is more in my blood, but when ever i tested with CTK BIOTECH FALERIASIS KIT it's come igG positive scene from 28/06/22 to till now 30/07/22 please guide me sir🙏🙏🙏🙏waiting for kind support on this..
Hi - yes, this seems to be happening frequently. PCR is more accurate. You could also repeat the Abbott test to see if you get a negative result this time.
Hi can you help me please every time I do a LFT I get two lines show up the line at the T is a faint grey line and the line at the T is a red line, I have gone for a PCR test that came back negative I’m very confused and if it will stop me going on holiday if I have to do a LFT at the port. Hope you can help me with this.
Hi - this seems to be a case of a false positive from the lateral flow test. It seems to be happening a lot. PCR is more accurate and they should accept it. See my latest video here ua-cam.com/video/MGsAoath6gQ/v-deo.html
Are you still having this ? I have tested positive on lateral flow everyday for 2 weeks and had symptoms but I've had 3 negative pcr tests ?? So confused 😕
@@hshort1980 Wow, that is just bad. Which lateral flow test have you been using? This must be very frustrating for you. RT-PCR is generally more accurate. So if you are negative on RT-PCR you can be confident that you don't have covid.
Hi doc ..i test saliva for my mom 1st positive and after 30 minutes again i test negative and bring her to clinic rtk swab test negative which wan need to believe do
Hi - as far as I know, you cannot use a saliva sample with these tests unless they are validated for saliva samples. Did she have any symptoms? You should do a RT-PCR test to confirm.
Hello Dr. Naveen....so glad you put this video out...a friend got a positive for covid from the rapid test ..now she actually has common cold symptoms...runny nose/ congested nose, sneeze, cough, sore throat, tonsils hurting a bit... itchy ears....I told her to go to another place and get a PCR test done.... She has been vaccinated... what do you think? Thanks!
Hi - yes, doing a PCR test to confirm is a good idea. I hope it comes out as negative. In that case, the rapid test result should be considered a false positive. If that is the case, makes sure you advise your friend to report it to the FDA. They have taken action against rapid tests that seem to give too many false positive results. So the question is - what good are these rapid tests if we can't rely on them? What is your opinion?
@@NaveenAgarwalPhD I think the lateral flow test can be good. I have been vaccinated against Covid with doses of the Astra-Zeneca vaccine in February and April 2021. In September I was at an event with 200 people in the same large dining room. Three days later I had a sore throat and took a lateral flow test (made by Xiamen Biotime Biotechnology Company) which was positive. The PCR test was also positive. I developed a fever, cough and loss of sense of smell in the next few days but did not get seriously ill although I am aged 65; I think the vaccine can probably take some credit for this. In particular I did not have any breathing difficulties. The lateral flow test enabled me to know that I had Covid a couple of days before I had the "proper" symptoms and so to isolate myself in time to not infect anyone else.
@@cedriclynch That is very good to hear. Thank you for sharing your experience. I agree, lateral flow tests are fast and generally inexpensive. Some of them have reasonably good accuracy but many of them out there are showing false positives. Good luck and stay safe.
I keep getting positives since last month, never had covid and negative PCR tests. 🙄🙄 After the first lot I stopped testing, but my mum keeps making me do them before I see her. Shes just told me to keep coming over regardless and they've never had a positive since. (no symptoms at all)
Hi - thanks for sharing your experience. I am sure this must be very frustrating for you. Can you share which test you are doing? Also, if you are in the USA, please report this to the FDA. They are keeping track of these problems.
Hi Doc , my head pains badly, noticing it occurs after the antigen test .. so far I did 2 antigen N 1 RT pcr .. They leave the buds like object in our nostrils , is this could be the reason for headache
Can a rapid stool antigen test for covid produce a false positive result for the vaccinated? The test strip detects spike glycoprotein. (Which i believe produced by mrna vaxs) it is quite uncommon practice to use stool as a specimen hence i couldnt find a literature regarding my concern. What is your take on this? Meanwhile, Other NPS/NMT/OPS rapid Ag tests detects nucleocapsid (N-protein)
Hello Dr, I was diagnosed positive in the Emergency room and now I have been isolated for 5 days. I now only have very minor cough I did three test at home and all test showed positive. I feel the test might not be accurate. How am I supposed ti test negative if they say that your can have the virus in your body for three months. I am confused.
Hi - the diagnostic tests are supposed to be used only in the first week of the infection, not after. if you were diagnosed positive in the emergency room, doing the test at home will not give you new information. How are you doing now? Best wishes and stay safe.
@@NaveenAgarwalPhD I am doing a lot better. The reason I did a home test after is because the department of public health. Called me and told me to do it after my 5 days
Hi - you need to see if saliva can be used for the test you are using. Generally, only a nasal sample is used for rapid antigen tests. Using a different type of a sample will likely lead to false results.
I had covid before, and was just about to fly, however got a positive Rapid test, it makes no sense as i was at home, distancing, waring masks, and avoiding human contact. my wife also tested but negative, it also made no sense as surely she would get infected if i was sick. so i took PCR test and waiting on the result tomorrow. Fingers crossed its false positive. I do have a theory however, i do have a chronic noise blockade, and always have some mucus in my noise, so I believe that the antigen test gets triggered by common cold mucus. its a running theory but it makes total sense that the antibodies for covid will be able to react to other corona viruses like comon cold
Hi - I would be very interested in what you find out. Hopefully your RT-PCR test will be negative. This must be very frustrating for you. I am curious to learn more about your theory. If you can do a second test (antigen, the one you did first) to see if it gives you a positive again or a negative this time. I made a video about two tests in series and chances of someone really positive based on different results in these two tests done 2-3 days apart.
Hello - unless it is a false positive, the result means that a the individual has the Coronavirus and is infectious. It would be better to take all precautions and follow your local guidelines. If there is reason to suspect the test result is false positive, then a confirmation test should be done using RT-PCR.
Hi DR Naveen I'm confused at LFT result I was tested covid 19 positive so did LFT result was positive out of curiosity did another on after 30 minutes it came negative why result is true and why isn't the test results same please could you answer.
Hi - yes this can be confusing. Do you have any symptoms? If not, then the LFT may not be very sensitive. Also depends on the specific test and how good it is. Can you share the name of the test? If it is an FDA authorized test, then the clinical performance of this test should be available.
My Nurse sister got RTPCR tested positive in a private clinic a few weeks ago. The next day she decided to took another RT-PCR test to Government Hospital then she got Negative results.. She got Covid virus a year ago in the hospital where she worked.
Hi - thanks for sharing. This shows that not all PCR tests are equally good or reliable. Most important is their limit of detection. If the limit of detection is high, you can get a negative result when the amount of virus is lower than the limit of detection.
My test shows a VERY faint line on the positive but a bold line on negative but I do have a slight cough and my throat hurts but two days ago my stomach was feeling weird but I've had that same feeling many times. And I tested negative just yesterday but now its showing a faint line. Any help?
Hi - a faint line is a positive. These rapid tests are more reliable only after 1-2 days of exposure and symptoms, and no later than 5-7 days after symptoms. Suggest you confirm with a PCR test.
Hello I got a rapid test done and it had came out positive, I have no symptoms and feel fine. I know ppl can be asystematic but it’s been 5 days since I have been around someone who does have covid and I didn’t seem to gain any symptoms since. My mom tested positive and my step dad tested negative?? My mom actually does have corona but I haven’t been home for a few days and hardly around my mom. If anything my step dad should be positive and I should be negative but we all got a rapid test done and it just doesn’t make sense.
Hello Jasmine - yes, unfortunately, these rapid tests are giving many false-positive results. RT-PCR tests are more accurate but they take longer and they too have limitations for people who do not have any symptoms. Still, you can talk to your doctor to see if you should do a second RT-PCR test to confirm. It is best to keep taking precautions like social distancing and using masks. Keep a close eye on symptoms and seek immediate medical attention if you begin to feel worse. Good luck and stay healthy!
If I got negative after I test. But I left it for 4-5 hours then it’s become positive. Then I test it’s again on the same day and I left it a day and now it’s negative. So what the result be like ?
Hi - Generally, you these tests should give you a result in 15-30 minutes. I don't know why the result would change, but leaving it for a long period of time would be outside the manufacturer's instructions.
My 12 years son had a positive on May 6 PCR and the May 15 her test the rapid negative results now he had wensday May 19 pcr test which is 14 days So my question will be is he going to have a positive results and he doesn’t have no signs of symptoms
Hi Nimo - PCR or rapid antigen tests should be used only in the first few days of symptoms. If the May 6 PCR positive was true positive, it is likely your son had an infection but did not have the symptoms. If it has already been over 2 weeks, you may want to do an antibody test to confirm the prior infection. I don't think doing another PCR test will give you an accurate result. In the meantime, please keep an eye on the symptoms and contact your doctor immediately. Best wishes.
Hi - do you have any other symptoms? If not, it could be something else. Hard to say what the antigen will show, but they do have a chance of giving you a false positive result.
Hello sir,my mother is suffering from fever, headache,and muscles pain..in rapid test the doctor say it's negative but when I saw the kit..I found one line is dark red and other is mild..does it mean she is positive 🥺🥺.. please reply.
Hi Sweeti - you should check the instructions provided with the test. They usually show a picture of how the lines should appear. Also, if you have a doubt, you should consider repeating the test and maybe do an RT-PCR test. RT-PCR is generally more accurate. Best wishes and be safe.
Hi - You are correct that the rate of false positives needs to be calculated based on the total number of tests conducted. In my video, I do not talk about a rate but present only the number of false/inaccurate tests reported. This is the only information available in the MAUDE database. Just so I understand you better, what specifically did you find misleading about the data interpretation? Keep in mind that the question of "significance" relates to the risk of harm.
Im used flowflex and it said i was positive but my friend i live with for a year tested negative so im confused on if its a false positive, i dont have symptoms of covid and neither does she just been having head colds from the cold weather if you could explain that to me it would be great !
Hello Dr Naveen, I would like to consult your opinion on my encounter with covid...I had symptoms of night sweats, fever on 3rd Mar but I was tested negative for e next 2 days, therefore I go about my daily working routine...then on 10th Mar (1 week ltr) I had running nose n was then tested positive . This morning I'm alr tested negative..does it mean i was alr infected during e first week without knowing ?
Hi - First, I hope you recover soon. Generally, these tests are pretty good in the first 5-7 days after your symptoms appear. Did you confirm with RT-PCR?
Sir my antigen came positive but rt pcr comes negative on same day sample. I have completed the medication of 5 day and now my symptoms are over should i go for any citynscan of anyother test
Hi Aryan - I am happy to hear you don't have any symptoms. But I would suggest you watch closely and seek medical help in case you have any changes, especially difficulty breathing.
I am so confused right now... me and my boyfriend had spent the night together on dec 27th. I was feeling like my allergies were ramping up like I had caught something more than just my normal allergies. I usually know I’m getting sick when I get a sore throat. As the night went on I became progressively worse. By the morning my chest was so congested it hurt all the way through to my back. I was exhausted. Sore throat. Nauseous and dizzy upon waking up... He was starting to feel sick as well, so we went to get tested. And after 2 hours in line, and me falling asleep twice while waiting because I was so exhausted, we got tested with PCR.. I had a rapid test at home so we went home and used them. Both said positive.... we both started on medicine right away, because we already had what medicines we needed at home... by the 29th the next day I was feeling a little better. But still congested. But he was feeling really bad congested now. Like he was a day behind me symptom wise... When the PCR results came back it showed he was positive and I was negative. It blew my mind because I was sicker than him at the time... and had spent the night prior to being tested and a few nights a week before... So I scheduled another PCR test about 30 miles away. Still feeling bad I drove in the rain to get the test anyways... everyone thought it was gonna come back positive. But when it came back a day and a half later, it said negative. Now everyone is denying I even had Covid. After being around my boyfriend who tested “positive” and another guy at our Christmas party who ended up testing positive right around the same time we did... I am thinking the tests were wrong or something considering we all had the same symptoms... and that with how contagious omicron is and me being around the people that tested positive, you’d definitely think my test would’ve said positive...
Unless the swab both times were not pushed back far enough... also the first test was done by a nurse who had her mask under her nose and only swabbed one nostril. The second test was done by me in a CVS line. I tried to push it back far but might not have...
@@explorer8125 Hi - thank you for sharing your experience. First, I hope you are feeling better now and on your way to recovery. Yes, this is very confusing. 2 PCR tests done at different locations giving you a negative result shows a very high chance you don't have covid. If you didn't have enough sample (swabbing only one nostril, not pushing far enough) there is a good chance of getting a false negative in the PCR. But the second PCR where you collected your own sample sounds ok to me. Certainly, Omicron is a concern and with your exposure to others who tested positive, you should treat this situation as a covid positive for you. There is one at-home PCR like test I can recommend for you (I don't have any relationship with the company). I have reviewed this test in the past. You can see the video here ua-cam.com/video/j4X4lHZquuA/v-deo.html The test is called Lucira - I think you can find it on Amazon and also on Lucira's website checkit.lucirahealth.com/ Best wishes to you and stay safe.
Thank you for your help! I got another pcr done on Wednesday. Had to go another 30 miles to get it done cause none close by. And it came back positive. I made sure to really push the swab to the back of my nose. And I think that’s why it came back negative both times before was cause it wasn’t being pushed back far enough... you really have to hit that back wall. I guess if your eyes aren’t watering you’re not doing it right lol
Hi - if you have symptoms, the test result should be reliable. How many days since the beginning of symptoms did you do the test? It should be within the first 5-7 days after symptoms appear.
@@NaveenAgarwalPhD - First day I slept a lot, thought it was of exhaustion after a trip. Second day I had high fever around 102. I have taken the test on 3rd day morning. I have been bit by mosquitoes also. Is there any chance that it could be malaria or dengue. ? Or the rapid antigen test is only for corona.? Please guide.
@@tencups2778 Rapid antigen test for Covid is generally very specific to the SARS coronavirus. But each test is different and you should look at the clinical validation information for each test. Generally they do a lot of testing to make sure the test does not react to other similar viruses or bacteria. I would not expect any decent test to be also reacting to malaria or dengue.
Hello sir I am from Odisha, India. Here the one who is coming here to test and the one who is testing 1st his/her antigen is coming positive and the guy insist other members to do the test and charges hefty amounts and apparently after that they insist another time to do Rtpcr tests. If one of the members deny to do the test they double the amount they charge. Don't know how to deal with this sir.
I am currently in singapore tested positive to covid. I want to back home to Australia really badly but need a negative pcr test to go back. My last rapid test showed a faint positive line. Is this a high chance Ive got a lower viral load and might be negative?
Hi - I think a faint line is still a positive. Do you have any symptoms? How long ago did you do the rapid test and how many days after you did it since your symptoms? If you are within the first 5-7 days since your symptoms began, you could repeat the rapid test to see if you get a positive again.
@@NaveenAgarwalPhD hi Naveen. Sorry for the late reply. I did a PCR test on sunday and still showed positive, but my Rapid test on the same day sshowed negative. PCR test must be able to identify small fragments of covid in me FYI
@@samartz In this case, PCR may be more reliable. PCR identifies the RNA (genetic material) of the virus. It is also very sensitive and can detect very small amounts of the virus in your system. Rapid test on the other hand detects the N-protein of the virus. But it is much less sensitive than PCR. Hope this helps.
Sir Yesterday my father tested negative from Rapid Antigen Test, but today a member from municipal corporation called and said my father is positive. What should I do Sir?
Hi Rouhin - unfortunately, this is happening frequently. In your situation, this is a false negative. First find out which test was used to confirm the initial negative result. The confirmatory test may be inaccurate. You may need to do a repeat test with a more reliable test. Second pay attention to symptoms and if they deteriorate. Quick action is needed in case his condition gets worse. Consult with your doctor for next steps.
Hi. I tested positive for rapid antigen almost 2 weeks ago. However my father tested negative who was with me the entire time for a week. Same car, same office, same house, same food. Anyways I isolated myself. No symptoms. No fever. And then I read somewhere 10 days isolation is enough for asymptotic patients. So I came out on day 11. Wore a N95 Mask and sanitized myself before coming out. Took my 1 year old with me for 45 odd minutes untill we all collectively decided I go back in isolation for a few more days for the safety of my kid. My kid has not shown any symptoms in the past 48 hours. I’m a little tensed. Can you pls elaborate here. I am on isoltation again for safety but I’d like to know when it is safe for me to be around everyone. Thanks
hi Dr. Naveen, im from singapore and I was a close contact with a AG+ recently. I have mild symptoms and tested myself with Quidel QuickVue ART on the second day and it turns out positive. Since I had symptoms, I decided to visit the doctor for meds and another affirmation. However I was tested Negative at the clinic which the doctor uses a Roche ART testkit (In Singapore PCR test is no longer necessary unless Im severely ill). To err on the side of caution, I continued isolating myself like a positive. I tested myself on the 4th day of contact with a QuickVue and a SD Bio test kit. QuickVue turns out positive again and SD Bio negative. I continued this on myself on the 7th day, the same results of QuickVue positive and SD negative occurred again. It's my 12th day now, some mild symptoms are returning, but I don't have any QuickVue left, thus am testing on SD Bio which is still negative. Will there be possibilities of false positives only for one brand? Or is QuickVue more sensitive in picking up lower viral loads? I'm still confused on this.
Hi - yes it is possible to get a false positive for one test and not the other. But in this case, it seems you have positive confirmation consistently with QuickVue. I am thinking maybe the SD is giving you false negative. I am not familiar with Roche ART testkit, so I am not sure if it is more sensitive than a rapid antigen test. Did you get the covid vaccine? It is possible you have mild symptoms because of the vaccine. There is no reason for you to continue testing using rapid antigen test. If you really want to be sure you had covid, then you should do an antibody test 2-3 2weeks after full recovery. In this case, you should see a positive antibody result, which could also be due to the vaccine if you have taken it. I hope you feel better.
@@NaveenAgarwalPhD thank you for the reply. yeah i got the booster jab 4 weeks ago, I probably be high on antibodies. True SD is consistently giving me negative. Should I try to get QuickVue to test again, to ensure i have recovered instead?
@@tracybix7913 Hi - no the Quickvue test will not help you. These are diagnostic tests which are useful only in the first few days of infection. If you are positive, the best way is to wait until you fully recover then confirm with an antibody test. If your symptoms are getting worse, seek medical attention.
I tested positive 3 weeks ago and I fell better . I did rapid flow test to check my status few times and I'm negative..can I test positive on PCR TEST? THANKX
If it has been 3 weeks and you feel better, you seem to have recovered. That is good news. At this point, you should not see a positive RT-PCR unless you are re-infected. Chances of that happening are pretty low. If you really want to be sure, you could do an antibody test. These tests detect the presence of antibodies after you have recovered from the infection. Best wishes and stay safe.
Monday I started having a fever , then I was tested positive on the binaxnow test . Then 4 hour later I went to do a pcr test it came back negative . I have symptom but how do I know it’s not just the flu ?
Hi - PCR is more accurate, so it could be some other infection. You should be able to test for flu separately. In any case, I hope you recover soon. Please keep an eye on your symptoms and seek immediate medical help if they get worse. Best wishes.
@@NaveenAgarwalPhD all my sibling are having the same symptom but everyone came back negative as well on the test . I’m not sure . My doctor said it’s easier to have a False negative then a false positive . After reading what you wrote about the antigen is looking for a protein of the virus and sometimes it’s not really specific. I’ve notice she is wrong . Thanks
@@Sclassmercedes Your doctor is not wrong - false negatives can happen if someone does not have symptoms or they are at a very early stage. You can also consider repeating the rapid test again in 24-48h. If you get a second negative, still have symptoms, very possible you have something else not covid19. Also, if you are in the United States, consider reporting this to the FDA. They are keeping track of false results and may take action to reduce the risk for patients.
My rapid test showed Positive when I got alittle fever. And the doctor said there is no way to show false positive. But i don't feel any symptoms of covid but i still don't get my smell cause of rapid test. What is that means.
Hello Dr. I would like to know that if my rapid pcr is accurate . i have done it on 19th march i had already started to lose my sense of smell 1 day ago and my sense of taste the day of the rapid test and i came out positive . 11 days later i have done a pcr test and came out negative . is that mean that i have been infected?
Hi Roy - there is a lot of confusion about test accuracy. In general, RT-PCR tests are more accurate than rapid tests but they are not without problems, especially if you don't have any symptoms. You mention you started to lose your sense of smell and taste. And one test is positive, while the other is negative. This must be very frustrating for you. I think the best advice I can give you is to talk to your doctor. Maybe they will advise you to do another test or take other steps. Keep an eye on your symptoms and take action sooner than later. I wish you the best.
@@NaveenAgarwalPhD hello again dr i would like to tell that my sense of smell and taste have slightly came back nearly 8 days after the test in about 20%
Hello sir , I m positive on antigen rapid test on 15th oct . After 72hrs from 19th oct -ve on antigen rapid test . I want to do pre departure RT PCR TEST . I m praying . I had minor symptoms like cough and mucus and loss of smell but taste is ok only . Pls reply sir .
Sir i dont have a single symptom of covid 19 but i went for test because they came in my area with nagar nigam officers they took my sample and said ur report is negative but after one day i received a call n they were asking are u ok ? I said i am fine, it's 4th day i recievd 5 - 6 calls from covid care centres and today I ask them if I am covid positive why they said u r negative after taking sample their answer is we never say u r positive to anyone on the spot, sir they are saying do follow protocols and isolate yourself in home we will prescibe u medicine if anything happen serious tell us . Sir please tell me what should I do?
Hi Vijay - do you know if they did a PCR test or rapid antigen test? PCR tests are generally more accurate and a negative on that test would have more confidence. Plus you don't have any symptoms. In any case, you should follow the rules and advice in your area. It looks like there are different guidelines in different places. Best wishes and stay safe.
@@vijay-gw2ds Hi Vijay - if you don't have symptoms and you have not been in contact with anyone who is confirmed COVID positive, I don't see the need for a second RT-PCR test. But again, you must follow the local guidelines and rules in your area.
@@syedsufiyan5428 Yes there is a chance in RT-PCR if the rapid test gave you a false result. I have heard it from many people here. False positive results are common depending on how good the test is. If you don't have any symptoms, and you were not exposed to anyone with a known infection, chances are good.
Is after vaccine 1st dose rat positive (20days),.and 2days before i shivering little bit then 99 fever then next day body pain then i test 3 times rat it positive is am positive?
@@piyushgardener This is highly confusing. There is no relation between the vaccine and getting a positive on rapid antigen test. Vaccines are designed to stimulate the production of spike protein. Rapid antigen tests detect the presence of N protein. These are two different things. You did the test 20 days after the 1st dose. It is possible that you got infected in this timeframe. A PCR test can confirm it but you may be out of the time window when you can do this test. How are you feeling now? Do you still have any symptoms? When are you going to take the 2nd dose if it is a 2 dose vaccine? Best wishes
@@NaveenAgarwalPhD feeling tired ,99f fever anxious loss my smell and taste rtpcr result will come tomorrow...Taking vitamin c+zing,lots of warm fluid, steam,egg,...What else i do please guide me today am very tense
@@piyushgardener Based on your symptoms, it seems you did get the infection. You should keep a close eye on our symptoms and contact a doctor if they get worse. Otherwise let your body recover on its own - you have taken one does of the vaccine. This should have stimulated your immune system already. Wishing you a speedy recovery.
Hello sir..In Rapid test kit, dark line is shown in C while light line is shown in T side..I don't know what does it mean.. Am I infected with covid positive ?? 🥲🥲
If you can see the line on the T side, and there is a line on the C side, generally it indicates a positive result. Line for the T side does not need to be dark, it can be faint. Do you have any symptoms? I would recommend isolating yourself and doing a confirmation test using RT-PCR.
@@sunulama4678 Suggest you do a second test to confirm using RT-PCR. Keep an eye on your symptoms and reach out to your doctor for further instructions.
Hi Dr wondering if you can help had faint lines on rapid tests a few days ago but were after the time period so didnt think much of it. I then did two tests both had faint lines within the time period. Did a pcr and it was negative and did another lateral flow the following day and that was a even fainter line than before did another pcr this morning under advice to do so and a lateral flow this evening and a positive result (two vibrant red lines) showed up within 30 seconds do you have any advice?
Hell Dr. Naveen, thank you for your video. Yesterday 15th Dec I had covid test by Rapid test and the result was positive and i did pcr lab test too but still waiting for the result. At night on 15th Dec I did my covid test on antigen test kit and my result was negative. My question is which result is accurate? I am still waiting for PCR lab result. If my result is Negative from PCR lab that mean I no have covid .. I dont have any symptom. Everything are good. I am on travel plan on 19th Dec, i hope my result PCR lab is negative
Hi Docter. I tested positive With Rapid antigen test on May18 ( Tuesday) and i have mild symptoms ( cold, light fever, pain in thort) and i started isolation from then. After 2 days my symtoms gone. but after 4 days May 22 ( saturday ) i gone for Rtpcr test and tested negative ( result came on next day i.e sunday ) now I am confused with results do i got effected with covid or not please explain.
Hi Pramod - it seems like you had some other kind of infection, not COVID-19. RT-PCR is generally more accurate and reliable. If you got a positive from rapid antigen and a negative from RT-PCR, it was most likely a false positive from the rapid test. Which rapid antigen test did you do? Do you have the name of that test available?
@@NaveenAgarwalPhD Standard Q covid 19 Ag. The test kit looks like pregnancy test and I got both lines on it marked and i also have few symptoms which relates to covid
@@PramodKumar-pq1jy - thanks for sharing that information. On paper, the clinical performance of this test looks ok, but very similar to other tests of this type. False positive are common. Both lines on this test (one for Control C and Test T) mean the result is positive. Problem is that many of the COVID symptoms are similar to other infections, at least in the early stage. If you lose your sense of smell or taste, or have difficulty breathing, then it is COVID. So it is not uncommon for people to experience symptoms, then the rapid test to give a false positive result. How are you feeling now? Do you still have symptoms? Stay safe.
@@NaveenAgarwalPhD Thanks for your reply sir. Presently i am fine sir. As u said most symtoms of covid matches with other infections, But apart from these symtoms my nose sensing capability decreased when i got infection but taste is quite opposite i fell more chilli when eating food in early days of infection and i also had some blisters on my tongue in early days of infection.. Thank you sir For ur information
My rapid antigen test result came out negative in the first 30 minutes but turned out two lines at C and T overnight. Should I interpret the result as negative or positive ?
Hi - this is very odd. I don't think you have to wait that long for the test result. I would recommend repeating the test and following the test instructions carefully. Do you have any symptoms?
I got a negative result on 11/28 from a lab test. Today I tested positive with a rapid test only symptom I have is a runny nose for 3 days. Tomorrow I have another lab test since I’m not sure if the rapid test is accurate.
If you have symptoms, it is highly likely you are positive. To confirm, you can do an RT-PCR test. They are more accurate than rapid tests. But don't wait for the test. If your symptoms get worse, you should see a doctor immediately.
10 rapid tests done and all positive PCR test comes back negative. Lost all faith in the rapid tests
Hi - thanks for sharing your experience. Can you share the name of the test you have been using?
@@NaveenAgarwalPhD NHS Rapid antigen test
@@thecave9157 Thanks for sharing. I agree that rapid antigen tests are not as sensitive and accurate as RT-PCR. But then not all rapid antigen tests are equally bad! This one seems to have given you a lot of false positives. I hope you can find one that is not this bad. Best wishes.
This happened to me too. I used the blue box NHS rapid test, all positive but used a different one all negative plus PCR came back negative. Had no symptoms at all
@@jens4510 Hi - thanks for sharing. Seems like the first test you were using was not very good. Is there a way I can review its clinical performance testing data?
Same happen to me, I don't have any symptoms, before 12 h ago I got negative but just after 12 I test again and I got positive.
I tested postive in 3 rapid tests done in three days different companies. Went for pcr test came negative twice. I did it one more time I'm waiting for the results. this doesn't make sense because I was a close contact to postive cases and I have strong symptoms. 🙄
Hi - yes this is very surprising. PCR should have tested positive based on your description.
@@NaveenAgarwalPhD Finally tested positive today. the third test was accurate.
@@tasneemalsharqi4885 I am sorry to hear the news. But good to know you were able to confirm. I wish you a fast recovery. Take care.
@@NaveenAgarwalPhD Thank you Dr.
My daughter received her Meningitis shot for school. Can this cause a false positive?
Hi Dr. Naveen, it is a very nice video you made and it givea so much englightment to many people out there.
I'm from Jakarta, Indonesia. I went to have a PCR test on January 16, it resulted negative. Then I went to have a rapid Swab Antigen test in a small clinic on January 17and I was tested postive. On January 18, I went for another PCR test at a proper hospital and I was tested negative. It made me 2 days of confusion but I chose to keep on going with life as I have no symtomps nor health problem. Thank you doctor!
Thank you! I am happy to hear that you are doing well. You did the right thing by doing a second confirmatory test.
Hi - yes, unfortunately this is happening very commonly. I am glad you were negative, twice on PCR. That is the more reliable result. Best wishes and stay safe.
Hi - thanks for sharing your experience. There are so many ways you can get a false result. Some have to do with test accuracy, but there are many other mistakes during sample collection and testing that can also give a false result. I really like your attitude. Best wishes and stay safe.
I had a positive RAT tonight but I have symptoms of sinus infection... I read that facial pain and congestion (and sneezing) is a sinus infection I do have a cough but that can be sinus too. Ive had a LOT of sinus infections in my life and I can spot the symptoms. But my RAT was positive and I'm so confused. I'm going to do another one in the morning and get a pcr test.
Spoiler alert - he doesnt know.
Spoiler alert - the tests arent accurate.
Funny how many people are getting positive result after checking their test outside the 30 min time frame...........False positives maybe?
I would like to thank you for bringing this topic up. I experienced mild symptoms (Cold, sore throat, No fever) two days back, I went for an RAT and RT-PCR test, RAT came Positive whereas after 1 day RT-PCR was Negative. I was confused and wondering what does this mean. I have been immensely searching and trying hard to get an answer for this. Doctors seem puzzled about this and advised me to remain in Isolation for 7 days as I am Covid positive only according to them. I am confused and in search of an answer to this ended up here.
Shall I take the test again?
Same thing here. 3 very light positive home tests and 2 negative PCR tests in between. I went to 2 different testing sites and both said negative but how do they explain the 3 light positives?
@@alarnajenkins @Suhai Ansari - yes, falser positives from rapid antigen tests are possible. If you did an RT-PCR test and it was negative, that is the one more reliable. You can also repeat the rapid antigen test (but not later than 5-7 days after your symptoms appear) to be more confident in the result. Finally, if you are in the USA, please report the false positive to the FDA.
I got my first antigen test on sept 20 it result negative.then my 2nd is on sept 26 and it positive no symptoms..i got my fully vaccinated on sept 17..
Negative
Singapore
Hey a week ago I tested positive with a home test a couple days later I took another one and it was positive , I waited About 4 days and went to Walgreens to take a pcr test and it was positive it didn’t make sense to me so I took another home test and it was negative so this has been a back and forth thing I keep getting positives from Walgreens and negatives from home test which one should I go by
Stay safe guys and wear facemask when going outside and maintain social distance.
Ive taken multiple test which are negative within the 30 minutes but when i leave it for a longer time all of them have shown a faint positive line
What does that mean ??
Hi - test result is valid within the timeframe they show on the instructions. If you are getting a faint line after 30 minutes or longer, you cannot rely on that result. If you don't have symptoms but you think you may have been exposed, I would recommend a PCR test to confirm. These types of rapid antigen tests work better if you have symptoms.
Thank you for updating us on this, I really appreciate your work, I would be grateful if you could sources to things you talked about in the description if that is possible. Thanks in advance !
Hi - you can find the technical reports on FDA website. I will add the links in the description of this video. Thank you.
@@NaveenAgarwalPhD Thanks for the quick reply, subscribed !
pro tip : you can watch movies at Flixzone. Me and my gf have been using them for watching loads of movies lately.
@Connor Will Yup, I've been using Flixzone for since november myself =)
@Connor Will definitely, I have been watching on flixzone for since december myself =)
Nurses did the 1st test. Negative. Home test positive.
Going to do my rapid Test, have like head flu systems. Nose congested, headache, muscle pains. No fever, no throat sore. Eating and drinking normal. Just have a thirst all the time. Stomach on day one Saturday was running and felt dizzy and lost consciousness. But this has not happened again.
Hi - best wishes to you. Which rapid test are you planning to use?
Went and did the antigen rapid test. The results was negative. I also went and got some azithtomycin antibiotics. Felt like the test was not enough to establish what's wrong with me. This headache so bad, like a sinus headache. Also taking pain pills. Hopefully by tomorrow I will be fine.
@@sheerlifestyle4803 I am happy to hear your test was negative. Hope you feel better soon. Take care.
Hi, I don't have Covid symptoms but the rapid covid test says I'm positive yesterday. As I know, I have allergic Rhinitis for many years. Should I take PCR test?
Hi - if you think you have been exposed to someone who has tested positive for COVID, it would be a good idea to confirm with a PCR test. Generally, the rapid test should be reliable within 5-7 days from when you symptoms start. In your case you don't have symptoms, so the positive result may be not too reliable. You may also repeat the rapid test, but doing a PCR confirmation would be more reliable. Best wishes.
False positive or not, if one does not feel good and shows symptoms… then he/she is infected and sick!
I have a black line on T what does that mean?
Hi - I do not think the color matters. Each test is different. Please check the instructions for use for the test to see if they show a black line on T as an indication of positive test.
Sir my boyfriend is reactive in antigen is it possible his swab test will be negative? He has no symptomps at all
Hello - yes it is possible. There have been many reports of false positive results from rapid antigen tests. However, just because there are no symptoms does not mean there is no infection. Many people without symptoms do have the coronavirus infection. I would recommend discussing with your doctor and evaluating your situation with complete information such as exposure to someone else confirmed positive and the medical history. Best wishes.
Thankyou so much Doc 😇
I am so confused I got tested n I came out positive on the rapid test and I just got my pcr results n came out negative
Hi - Do you have any symptoms? PCR is generally more sensitive and accurate. This may be a false positive result. You may consider repeating the rapid test in 24-48h after the first test.
you are right sir,i am feeling good not fever or headache or anything, i went testing about a 3 weeks for Covid-19 i did test 3 different places and when the result came back two of the result i was Negative and one came out Positive, i talk to my doctor about it, my doctor told me to quarantine, after two weeks i tested again at the same place that the give me positive result and i went to test different place, at the same place that result came out positive last time they result came out again positive at the new place the result came out Negetive and both did PCR test, some of this hospital or labs the are making mistakes, the only reason that i went to test for covid-19 is i need a certificate for travel to show the airline that i do not have covid-19 so the can allowed me to flight. You are rights sir things are confused i guess people the should be more careful with they positive result and doctors the should make sure that the labs equipment are getting update, because the keeping using same equipment over and over if the test the sample for some who have coving and you are using same material the result of all people gonna come out positive.
I am sorry to hear about your experience. This must be very frustrating for you. But I am also glad to hear you did not actually have COVID. Best regards.
5 positive rapids 2 negative pcr in between the rapid tests 😐
Lumira dx test
They are not accurate most accurate is pcr I had 2 positives and 2 negatives
Good morning,
One of the guy did the PCR test first day the result came positive and he did the same test again but the result came nagetiv what's happening here I don't now
Hi - to confirm, you are saying the second time they did the same PCR test, it was negative? How many days after the first PCR did they do the second PCR?
@@NaveenAgarwalPhD next day he done the PCR test again And the result was nagative
@@sahihal-bukhari3325 Hi - thanks for sharing this information. This is very strange. Was it the same PCR test and sample taken by a medical professional?
@@NaveenAgarwalPhD both testing centers are different
@@sahihal-bukhari3325 Hi - ok then it may be possible that one of the PCR test or how it is done is not very good. In general PCR is more accurate and reliable, but not all PCR tests are equally good. It also depends on how the test is done and how the sample is collected.
Dear sir, my medical test done to travel abroad but unfortunately my (MICROFALERIA) antibody test is positive igG positive.i have tested antigen test its nagative there no antigen is more in my blood, but when ever i tested with CTK BIOTECH FALERIASIS KIT it's come igG positive scene from 28/06/22 to till now 30/07/22 please guide me sir🙏🙏🙏🙏waiting for kind support on this..
abbott rapid test positive, and then negative, pcr negative, how to justify?
Hi - yes, this seems to be happening frequently. PCR is more accurate. You could also repeat the Abbott test to see if you get a negative result this time.
Hi can you help me please every time I do a LFT I get two lines show up the line at the T is a faint grey line and the line at the T is a red line, I have gone for a PCR test that came back negative I’m very confused and if it will stop me going on holiday if I have to do a LFT at the port. Hope you can help me with this.
Hi - this seems to be a case of a false positive from the lateral flow test. It seems to be happening a lot. PCR is more accurate and they should accept it.
See my latest video here ua-cam.com/video/MGsAoath6gQ/v-deo.html
Thank you for your reply the video was really helpful.
@@shaunmappin6347 You are welcome!
Are you still having this ? I have tested positive on lateral flow everyday for 2 weeks and had symptoms but I've had 3 negative pcr tests ?? So confused 😕
@@hshort1980 Wow, that is just bad. Which lateral flow test have you been using? This must be very frustrating for you. RT-PCR is generally more accurate. So if you are negative on RT-PCR you can be confident that you don't have covid.
Hi doc ..i test saliva for my mom 1st positive and after 30 minutes again i test negative and bring her to clinic rtk swab test negative which wan need to believe do
Hi - as far as I know, you cannot use a saliva sample with these tests unless they are validated for saliva samples. Did she have any symptoms? You should do a RT-PCR test to confirm.
She just have cough and flu doc
Hello Dr. Naveen....so glad you put this video out...a friend got a positive for covid from the rapid test ..now she actually has common cold symptoms...runny nose/ congested nose, sneeze, cough, sore throat, tonsils hurting a bit... itchy ears....I told her to go to another place and get a PCR test done.... She has been vaccinated... what do you think? Thanks!
Hi - yes, doing a PCR test to confirm is a good idea. I hope it comes out as negative. In that case, the rapid test result should be considered a false positive. If that is the case, makes sure you advise your friend to report it to the FDA. They have taken action against rapid tests that seem to give too many false positive results.
So the question is - what good are these rapid tests if we can't rely on them? What is your opinion?
@@NaveenAgarwalPhD I think the lateral flow test can be good. I have been vaccinated against Covid with doses of the Astra-Zeneca vaccine in February and April 2021. In September I was at an event with 200 people in the same large dining room. Three days later I had a sore throat and took a lateral flow test (made by Xiamen Biotime Biotechnology Company) which was positive. The PCR test was also positive. I developed a fever, cough and loss of sense of smell in the next few days but did not get seriously ill although I am aged 65; I think the vaccine can probably take some credit for this. In particular I did not have any breathing difficulties. The lateral flow test enabled me to know that I had Covid a couple of days before I had the "proper" symptoms and so to isolate myself in time to not infect anyone else.
@@cedriclynch That is very good to hear. Thank you for sharing your experience. I agree, lateral flow tests are fast and generally inexpensive. Some of them have reasonably good accuracy but many of them out there are showing false positives. Good luck and stay safe.
Recently there has been a video showing positive results using drops of water in the Abbott panbio device , any idea why did this happen ?
Wow! I did not know that. Please share the video if you can find it. Thanks
@@NaveenAgarwalPhD send me ur WhatsApp number sir
@@dralisafar5400 Please post a link here directly
Many thanks
You are welcome!
I keep getting positives since last month, never had covid and negative PCR tests. 🙄🙄
After the first lot I stopped testing, but my mum keeps making me do them before I see her.
Shes just told me to keep coming over regardless and they've never had a positive since.
(no symptoms at all)
Hi - thanks for sharing your experience. I am sure this must be very frustrating for you. Can you share which test you are doing?
Also, if you are in the USA, please report this to the FDA. They are keeping track of these problems.
Hi Doc , my head pains badly, noticing it occurs after the antigen test .. so far I did 2 antigen N 1 RT pcr .. They leave the buds like object in our nostrils , is this could be the reason for headache
Hi Anto - I have not heard of this issue before. You may need to get it checked by your doctor.
omg
Can a rapid stool antigen test for covid produce a false positive result for the vaccinated? The test strip detects spike glycoprotein. (Which i believe produced by mrna vaxs) it is quite uncommon practice to use stool as a specimen hence i couldnt find a literature regarding my concern. What is your take on this?
Meanwhile, Other NPS/NMT/OPS rapid Ag tests detects nucleocapsid (N-protein)
Thank you for explaining this for the rest of us.
You are welcome; let me know if you have any other questions or other topics of interest.
TQ sir
Outstandingly informative. Zero ambiguity. Many thanks, mate.
Hello Dr, I was diagnosed positive in the Emergency room and now I have been isolated for 5 days. I now only have very minor cough I did three test at home and all test showed positive. I feel the test might not be accurate. How am I supposed ti test negative if they say that your can have the virus in your body for three months. I am confused.
Hi - the diagnostic tests are supposed to be used only in the first week of the infection, not after. if you were diagnosed positive in the emergency room, doing the test at home will not give you new information. How are you doing now? Best wishes and stay safe.
@@NaveenAgarwalPhD I am doing a lot better. The reason I did a home test after is because the department of public health. Called me and told me to do it after my 5 days
Hi doctor i wonder if saliva tested positive but pcr tested negative, what’s result we shall follow.
Hi - you need to see if saliva can be used for the test you are using. Generally, only a nasal sample is used for rapid antigen tests. Using a different type of a sample will likely lead to false results.
I had covid before, and was just about to fly, however got a positive Rapid test, it makes no sense as i was at home, distancing, waring masks, and avoiding human contact. my wife also tested but negative, it also made no sense as surely she would get infected if i was sick. so i took PCR test and waiting on the result tomorrow. Fingers crossed its false positive. I do have a theory however, i do have a chronic noise blockade, and always have some mucus in my noise, so I believe that the antigen test gets triggered by common cold mucus. its a running theory but it makes total sense that the antibodies for covid will be able to react to other corona viruses like comon cold
Hi - I would be very interested in what you find out. Hopefully your RT-PCR test will be negative. This must be very frustrating for you. I am curious to learn more about your theory. If you can do a second test (antigen, the one you did first) to see if it gives you a positive again or a negative this time. I made a video about two tests in series and chances of someone really positive based on different results in these two tests done 2-3 days apart.
Dr. Is this really need to sperate the people if the antigen test is positive?
Hello - unless it is a false positive, the result means that a the individual has the Coronavirus and is infectious. It would be better to take all precautions and follow your local guidelines. If there is reason to suspect the test result is false positive, then a confirmation test should be done using RT-PCR.
@@NaveenAgarwalPhD Thank you Dr
Hi DR Naveen
I'm confused at LFT result I was tested covid 19 positive so did LFT result was positive out of curiosity did another on after 30 minutes it came negative why result is true and why isn't the test results same please could you answer.
Hi - yes this can be confusing. Do you have any symptoms? If not, then the LFT may not be very sensitive. Also depends on the specific test and how good it is. Can you share the name of the test? If it is an FDA authorized test, then the clinical performance of this test should be available.
My Nurse sister got RTPCR tested positive in a private clinic a few weeks ago. The next day she decided to took another RT-PCR test to Government Hospital then she got Negative results.. She got Covid virus a year ago in the hospital where she worked.
Hi - thanks for sharing. This shows that not all PCR tests are equally good or reliable. Most important is their limit of detection. If the limit of detection is high, you can get a negative result when the amount of virus is lower than the limit of detection.
My test shows a VERY faint line on the positive but a bold line on negative but I do have a slight cough and my throat hurts but two days ago my stomach was feeling weird but I've had that same feeling many times. And I tested negative just yesterday but now its showing a faint line. Any help?
Hi - a faint line is a positive. These rapid tests are more reliable only after 1-2 days of exposure and symptoms, and no later than 5-7 days after symptoms. Suggest you confirm with a PCR test.
Hello I got a rapid test done and it had came out positive, I have no symptoms and feel fine. I know ppl can be asystematic but it’s been 5 days since I have been around someone who does have covid and I didn’t seem to gain any symptoms since. My mom tested positive and my step dad tested negative?? My mom actually does have corona but I haven’t been home for a few days and hardly around my mom. If anything my step dad should be positive and I should be negative but we all got a rapid test done and it just doesn’t make sense.
Hello Jasmine - yes, unfortunately, these rapid tests are giving many false-positive results. RT-PCR tests are more accurate but they take longer and they too have limitations for people who do not have any symptoms. Still, you can talk to your doctor to see if you should do a second RT-PCR test to confirm. It is best to keep taking precautions like social distancing and using masks. Keep a close eye on symptoms and seek immediate medical attention if you begin to feel worse. Good luck and stay healthy!
If I got negative after I test. But I left it for 4-5 hours then it’s become positive. Then I test it’s again on the same day and I left it a day and now it’s negative. So what the result be like ?
Hi - Generally, you these tests should give you a result in 15-30 minutes. I don't know why the result would change, but leaving it for a long period of time would be outside the manufacturer's instructions.
I have done 4 tests with rapid lateral test
and two of them show faint line on T, I am confused if it is positive or negative. Can you help me??
Hi - a faint line means it is a positive result. But make sure you also see the C line at the same time.
My 12 years son had a positive on May 6 PCR and the May 15 her test the rapid negative results now he had wensday May 19 pcr test which is 14 days So my question will be is he going to have a positive results and he doesn’t have no signs of symptoms
Hi Nimo - PCR or rapid antigen tests should be used only in the first few days of symptoms. If the May 6 PCR positive was true positive, it is likely your son had an infection but did not have the symptoms. If it has already been over 2 weeks, you may want to do an antibody test to confirm the prior infection. I don't think doing another PCR test will give you an accurate result. In the meantime, please keep an eye on the symptoms and contact your doctor immediately. Best wishes.
Hi doc, I have travel upcomming dec 5 but I have post nasal drip it can be possible my antigen will have a positive result?
Hi - do you have any other symptoms? If not, it could be something else. Hard to say what the antigen will show, but they do have a chance of giving you a false positive result.
Hello sir,my mother is suffering from fever, headache,and muscles pain..in rapid test the doctor say it's negative but when I saw the kit..I found one line is dark red and other is mild..does it mean she is positive 🥺🥺.. please reply.
Hi Sweeti - you should check the instructions provided with the test. They usually show a picture of how the lines should appear. Also, if you have a doubt, you should consider repeating the test and maybe do an RT-PCR test. RT-PCR is generally more accurate. Best wishes and be safe.
Over a 100 events out of how many tests ? If it's 100 events out of 100,000 tests, is it really significant ? Very misleading data interpretation
Hi - You are correct that the rate of false positives needs to be calculated based on the total number of tests conducted. In my video, I do not talk about a rate but present only the number of false/inaccurate tests reported. This is the only information available in the MAUDE database.
Just so I understand you better, what specifically did you find misleading about the data interpretation?
Keep in mind that the question of "significance" relates to the risk of harm.
did may antigen test it came out negative after 20hrs i saw a super faint line dont know.. so confused
Hi - you should not have to wait that long to read your results. I would recommend doing a second test to confirm.
Im used flowflex and it said i was positive but my friend i live with for a year tested negative so im confused on if its a false positive, i dont have symptoms of covid and neither does she just been having head colds from the cold weather if you could explain that to me it would be great !
Hi - I am not familiar with the flowflex. Suggest doing a PCR test to confirm.
Hello Dr Naveen, I would like to consult your opinion on my encounter with covid...I had symptoms of night sweats, fever on 3rd Mar but I was tested negative for e next 2 days, therefore I go about my daily working routine...then on 10th Mar (1 week ltr) I had running nose n was then tested positive . This morning I'm alr tested negative..does it mean i was alr infected during e first week without knowing ?
Hi - First, I hope you recover soon. Generally, these tests are pretty good in the first 5-7 days after your symptoms appear. Did you confirm with RT-PCR?
@@NaveenAgarwalPhD no I did not...
Sir my antigen came positive but rt pcr comes negative on same day sample.
I have completed the medication of 5 day and now my symptoms are over should i go for any citynscan of anyother test
Hi Aryan - I am happy to hear you don't have any symptoms. But I would suggest you watch closely and seek medical help in case you have any changes, especially difficulty breathing.
I am so confused right now... me and my boyfriend had spent the night together on dec 27th. I was feeling like my allergies were ramping up like I had caught something more than just my normal allergies. I usually know I’m getting sick when I get a sore throat. As the night went on I became progressively worse. By the morning my chest was so congested it hurt all the way through to my back. I was exhausted. Sore throat. Nauseous and dizzy upon waking up...
He was starting to feel sick as well, so we went to get tested. And after 2 hours in line, and me falling asleep twice while waiting because I was so exhausted, we got tested with PCR..
I had a rapid test at home so we went home and used them. Both said positive.... we both started on medicine right away, because we already had what medicines we needed at home... by the 29th the next day I was feeling a little better. But still congested. But he was feeling really bad congested now. Like he was a day behind me symptom wise...
When the PCR results came back it showed he was positive and I was negative.
It blew my mind because I was sicker than him at the time... and had spent the night prior to being tested and a few nights a week before...
So I scheduled another PCR test about 30 miles away. Still feeling bad I drove in the rain to get the test anyways... everyone thought it was gonna come back positive. But when it came back a day and a half later, it said negative.
Now everyone is denying I even had Covid. After being around my boyfriend who tested “positive” and another guy at our Christmas party who ended up testing positive right around the same time we did...
I am thinking the tests were wrong or something considering we all had the same symptoms... and that with how contagious omicron is and me being around the people that tested positive, you’d definitely think my test would’ve said positive...
Unless the swab both times were not pushed back far enough... also the first test was done by a nurse who had her mask under her nose and only swabbed one nostril. The second test was done by me in a CVS line. I tried to push it back far but might not have...
@@explorer8125 Hi - thank you for sharing your experience. First, I hope you are feeling better now and on your way to recovery.
Yes, this is very confusing. 2 PCR tests done at different locations giving you a negative result shows a very high chance you don't have covid. If you didn't have enough sample (swabbing only one nostril, not pushing far enough) there is a good chance of getting a false negative in the PCR. But the second PCR where you collected your own sample sounds ok to me.
Certainly, Omicron is a concern and with your exposure to others who tested positive, you should treat this situation as a covid positive for you. There is one at-home PCR like test I can recommend for you (I don't have any relationship with the company). I have reviewed this test in the past.
You can see the video here
ua-cam.com/video/j4X4lHZquuA/v-deo.html
The test is called Lucira - I think you can find it on Amazon and also on Lucira's website
checkit.lucirahealth.com/
Best wishes to you and stay safe.
Thank you for your help! I got another pcr done on Wednesday. Had to go another 30 miles to get it done cause none close by. And it came back positive. I made sure to really push the swab to the back of my nose. And I think that’s why it came back negative both times before was cause it wasn’t being pushed back far enough... you really have to hit that back wall. I guess if your eyes aren’t watering you’re not doing it right lol
@@explorer8125 That makes sense. I hope you feel better and recover soon.
My home rapid antigen test is positive. Should I go for confirmation? I already bave high fever and mild symptoms.
Hi - if you have symptoms, the test result should be reliable. How many days since the beginning of symptoms did you do the test? It should be within the first 5-7 days after symptoms appear.
@@NaveenAgarwalPhD - First day I slept a lot, thought it was of exhaustion after a trip. Second day I had high fever around 102. I have taken the test on 3rd day morning. I have been bit by mosquitoes also. Is there any chance that it could be malaria or dengue. ? Or the rapid antigen test is only for corona.? Please guide.
@@tencups2778 Rapid antigen test for Covid is generally very specific to the SARS coronavirus. But each test is different and you should look at the clinical validation information for each test. Generally they do a lot of testing to make sure the test does not react to other similar viruses or bacteria. I would not expect any decent test to be also reacting to malaria or dengue.
Hello sir I am from Odisha, India. Here the one who is coming here to test and the one who is testing 1st his/her antigen is coming positive and the guy insist other members to do the test and charges hefty amounts and apparently after that they insist another time to do Rtpcr tests. If one of the members deny to do the test they double the amount they charge. Don't know how to deal with this sir.
Hello - this seems like a policy issue at the local level. You should report it to the local authorities and ask what their official policy is.
@@NaveenAgarwalPhD Yes sir. I will do . Thank you 🙏
I'm in Michigan and have allergies. I'm allergic to grass. My nose runs constantly.
Hi doc, with a bright T line and faint C could this be a false positive?
Hi - this is a positive result. Whether it is a false positive or not, you have to confirm by doing a PCR.
I am currently in singapore tested positive to covid. I want to back home to Australia really badly but need a negative pcr test to go back. My last rapid test showed a faint positive line. Is this a high chance Ive got a lower viral load and might be negative?
Hi - I think a faint line is still a positive. Do you have any symptoms? How long ago did you do the rapid test and how many days after you did it since your symptoms?
If you are within the first 5-7 days since your symptoms began, you could repeat the rapid test to see if you get a positive again.
@@NaveenAgarwalPhD hi Naveen. Sorry for the late reply. I did a PCR test on sunday and still showed positive, but my Rapid test on the same day sshowed negative. PCR test must be able to identify small fragments of covid in me FYI
@@samartz In this case, PCR may be more reliable. PCR identifies the RNA (genetic material) of the virus. It is also very sensitive and can detect very small amounts of the virus in your system. Rapid test on the other hand detects the N-protein of the virus. But it is much less sensitive than PCR. Hope this helps.
@@NaveenAgarwalPhD many thanks Naveen!!
Sir Yesterday my father tested negative from Rapid Antigen Test, but today a member from municipal corporation called and said my father is positive.
What should I do Sir?
Hi Rouhin - unfortunately, this is happening frequently. In your situation, this is a false negative. First find out which test was used to confirm the initial negative result. The confirmatory test may be inaccurate. You may need to do a repeat test with a more reliable test. Second pay attention to symptoms and if they deteriorate. Quick action is needed in case his condition gets worse. Consult with your doctor for next steps.
@@NaveenAgarwalPhD ok Sir
Thank You Sir
Hi. I tested positive for rapid antigen almost 2 weeks ago. However my father tested negative who was with me the entire time for a week. Same car, same office, same house, same food.
Anyways I isolated myself. No symptoms. No fever. And then I read somewhere 10 days isolation is enough for asymptotic patients. So I came out on day 11. Wore a N95 Mask and sanitized myself before coming out. Took my 1 year old with me for 45 odd minutes untill we all collectively decided I go back in isolation for a few more days for the safety of my kid.
My kid has not shown any symptoms in the past 48 hours. I’m a little tensed. Can you pls elaborate here.
I am on isoltation again for safety but I’d like to know when it is safe for me to be around everyone.
Thanks
Hi Hemant - have you considered a second test to confirm, using RT-PCR? There have been many reports of false positives from rapid antigen tests.
@@NaveenAgarwalPhD a RTPCR now may be too late as it’s been almost 2 weeks. And the earliest a result. Can be obtained is in 3 days
hi Dr. Naveen, im from singapore and I was a close contact with a AG+ recently. I have mild symptoms and tested myself with Quidel QuickVue ART on the second day and it turns out positive. Since I had symptoms, I decided to visit the doctor for meds and another affirmation. However I was tested Negative at the clinic which the doctor uses a Roche ART testkit (In Singapore PCR test is no longer necessary unless Im severely ill). To err on the side of caution, I continued isolating myself like a positive. I tested myself on the 4th day of contact with a QuickVue and a SD Bio test kit. QuickVue turns out positive again and SD Bio negative.
I continued this on myself on the 7th day, the same results of QuickVue positive and SD negative occurred again. It's my 12th day now, some mild symptoms are returning, but I don't have any QuickVue left, thus am testing on SD Bio which is still negative.
Will there be possibilities of false positives only for one brand? Or is QuickVue more sensitive in picking up lower viral loads? I'm still confused on this.
Hi - yes it is possible to get a false positive for one test and not the other. But in this case, it seems you have positive confirmation consistently with QuickVue. I am thinking maybe the SD is giving you false negative. I am not familiar with Roche ART testkit, so I am not sure if it is more sensitive than a rapid antigen test. Did you get the covid vaccine? It is possible you have mild symptoms because of the vaccine.
There is no reason for you to continue testing using rapid antigen test. If you really want to be sure you had covid, then you should do an antibody test 2-3 2weeks after full recovery. In this case, you should see a positive antibody result, which could also be due to the vaccine if you have taken it.
I hope you feel better.
@@NaveenAgarwalPhD thank you for the reply. yeah i got the booster jab 4 weeks ago, I probably be high on antibodies. True SD is consistently giving me negative. Should I try to get QuickVue to test again, to ensure i have recovered instead?
@@tracybix7913 Hi - no the Quickvue test will not help you. These are diagnostic tests which are useful only in the first few days of infection. If you are positive, the best way is to wait until you fully recover then confirm with an antibody test. If your symptoms are getting worse, seek medical attention.
@@NaveenAgarwalPhD ok thank you for the advice doctor!
I tested positive 3 weeks ago and I fell better . I did rapid flow test to check my status few times and I'm negative..can I test positive on PCR TEST? THANKX
If it has been 3 weeks and you feel better, you seem to have recovered. That is good news.
At this point, you should not see a positive RT-PCR unless you are re-infected. Chances of that happening are pretty low.
If you really want to be sure, you could do an antibody test. These tests detect the presence of antibodies after you have recovered from the infection.
Best wishes and stay safe.
@@NaveenAgarwalPhD thanks so much ...i am waiting for my PCR Test I'm praying it's negative 🙏..will update you
@@NaveenAgarwalPhD I just received my PCR test results after 3 weeks recovery and it's negative
@@OBSaintGospel Nice! I am so happy to hear that. Stay safe.
I am tested positive on rapid covid antigen test waiting for pcr results pray for me 🙏🙏🙏 i dont really have covid symptoms tho
Hi - I hope you get a negative on PCR. It is not uncommon for rapid antigen tests to give you a false positive result.
@@NaveenAgarwalPhD thank you, result is tomorrow, I feel more like a cold, the antigen test showed me 2 lines in less than a minute is this normal?
@@NadineMoussaTuber94 did you get a negative or positive pcr after this?
@@cassidyrosebotha positive 😭😭😔😔 but i recovered now
@@NadineMoussaTuber94 how Are you today?
Monday I started having a fever , then I was tested positive on the binaxnow test . Then 4 hour later I went to do a pcr test it came back negative . I have symptom but how do I know it’s not just the flu ?
Hi - PCR is more accurate, so it could be some other infection. You should be able to test for flu separately. In any case, I hope you recover soon. Please keep an eye on your symptoms and seek immediate medical help if they get worse. Best wishes.
@@NaveenAgarwalPhD all my sibling are having the same symptom but everyone came back negative as well on the test . I’m not sure . My doctor said it’s easier to have a False negative then a false positive . After reading what you wrote about the antigen is looking for a protein of the virus and sometimes it’s not really specific. I’ve notice she is wrong . Thanks
@@Sclassmercedes Your doctor is not wrong - false negatives can happen if someone does not have symptoms or they are at a very early stage. You can also consider repeating the rapid test again in 24-48h. If you get a second negative, still have symptoms, very possible you have something else not covid19.
Also, if you are in the United States, consider reporting this to the FDA. They are keeping track of false results and may take action to reduce the risk for patients.
@@NaveenAgarwalPhD thanks 🙏 you sir ! You’re very helpful .
@@Sclassmercedes You are welcome!
My rapid test showed Positive when I got alittle fever. And the doctor said there is no way to show false positive. But i don't feel any symptoms of covid but i still don't get my smell cause of rapid test. What is that means.
Hi - rapid tests are known to give false positive results. You could do a RT-PCR test, or repeat the same rapid test 2-3 days later.
Hello Dr. I would like to know that if my rapid pcr is accurate . i have done it on 19th march i had already started to lose my sense of smell 1 day ago and my sense of taste the day of the rapid test and i came out positive . 11 days later i have done a pcr test and came out negative . is that mean that i have been infected?
Hi Roy - there is a lot of confusion about test accuracy. In general, RT-PCR tests are more accurate than rapid tests but they are not without problems, especially if you don't have any symptoms. You mention you started to lose your sense of smell and taste. And one test is positive, while the other is negative. This must be very frustrating for you.
I think the best advice I can give you is to talk to your doctor. Maybe they will advise you to do another test or take other steps. Keep an eye on your symptoms and take action sooner than later. I wish you the best.
@@NaveenAgarwalPhD hello again dr i would like to tell that my sense of smell and taste have slightly came back nearly 8 days after the test in about 20%
@@royrizk5012 that is good to hear! Stay safe
Hello sir ,
I m positive on antigen rapid test on 15th oct . After 72hrs from 19th oct -ve on antigen rapid test . I want to do pre departure RT PCR TEST . I m praying .
I had minor symptoms like cough and mucus and loss of smell but taste is ok only .
Pls reply sir .
I have tested 12 times Rapid test after 19th.
Shows only negative
Most likely you are negative because serial testing using Antigen test increases the confidence. PCR test should confirm it. Good luck.
Sir i dont have a single symptom of covid 19 but i went for test because they came in my area with nagar nigam officers they took my sample and said ur report is negative but after one day i received a call n they were asking are u ok ? I said i am fine, it's 4th day i recievd 5 - 6 calls from covid care centres and today I ask them if I am covid positive why they said u r negative after taking sample their answer is we never say u r positive to anyone on the spot, sir they are saying do follow protocols and isolate yourself in home we will prescibe u medicine if anything happen serious tell us . Sir please tell me what should I do?
Hi Vijay - do you know if they did a PCR test or rapid antigen test? PCR tests are generally more accurate and a negative on that test would have more confidence. Plus you don't have any symptoms.
In any case, you should follow the rules and advice in your area. It looks like there are different guidelines in different places.
Best wishes and stay safe.
@@NaveenAgarwalPhD yes sir i know PCR is more accurate, they did a rapid antigen test of mine can I go for RT -PCR , thank you for answering
@@vijay-gw2ds Hi Vijay - if you don't have symptoms and you have not been in contact with anyone who is confirmed COVID positive, I don't see the need for a second RT-PCR test. But again, you must follow the local guidelines and rules in your area.
Sir my T line is darker and C is faint.! Is that positive?
Hi - yes this should be considered a positive. If the C line was not showing at all, then it would be an invalid result.
@@NaveenAgarwalPhD Ok my flight is on Sunday.. I have given rtpcr sample today.. Is there a chance to get negative in rtpcr?
@@syedsufiyan5428 Yes there is a chance in RT-PCR if the rapid test gave you a false result. I have heard it from many people here. False positive results are common depending on how good the test is.
If you don't have any symptoms, and you were not exposed to anyone with a known infection, chances are good.
@@NaveenAgarwalPhD Hope so but i am having fever.. Will update here after the rtpcr test result.
@@syedsufiyan5428 Hi if you have fever, that is one of the symptoms.
Is after vaccine 1st dose rat positive (20days),.and 2days before i shivering little bit then 99 fever then next day body pain then i test 3 times rat it positive is am positive?
Hi - to confirm, you did a rapid antigen test 20 days after 1st dose of a vaccine and it came out positive? Is that correct?
@@NaveenAgarwalPhD yes
@@piyushgardener This is highly confusing. There is no relation between the vaccine and getting a positive on rapid antigen test. Vaccines are designed to stimulate the production of spike protein. Rapid antigen tests detect the presence of N protein. These are two different things.
You did the test 20 days after the 1st dose. It is possible that you got infected in this timeframe. A PCR test can confirm it but you may be out of the time window when you can do this test.
How are you feeling now? Do you still have any symptoms? When are you going to take the 2nd dose if it is a 2 dose vaccine?
Best wishes
@@NaveenAgarwalPhD feeling tired ,99f fever anxious loss my smell and taste rtpcr result will come tomorrow...Taking vitamin c+zing,lots of warm fluid, steam,egg,...What else i do please guide me today am very tense
@@piyushgardener Based on your symptoms, it seems you did get the infection. You should keep a close eye on our symptoms and contact a doctor if they get worse. Otherwise let your body recover on its own - you have taken one does of the vaccine. This should have stimulated your immune system already. Wishing you a speedy recovery.
Hello sir..In Rapid test kit, dark line is shown in C while light line is shown in T side..I don't know what does it mean.. Am I infected with covid positive ?? 🥲🥲
If you can see the line on the T side, and there is a line on the C side, generally it indicates a positive result. Line for the T side does not need to be dark, it can be faint. Do you have any symptoms? I would recommend isolating yourself and doing a confirmation test using RT-PCR.
@@NaveenAgarwalPhD 3 days ago I was only suffering from common cold without mucus..and my body temperature was only 99.5 f for some hours..
Both common cold and fever for only 1 day..
@@sunulama4678 Suggest you do a second test to confirm using RT-PCR. Keep an eye on your symptoms and reach out to your doctor for further instructions.
@sunu have u done your RT PCR test, what was your result, in the same situation
Me positive...also, first one line only then wait to long it's two line😔
Hi - you should not have to wait for more than 15 min or max 30 min. Suggest repeating the test.
@@NaveenAgarwalPhD ahhh okies thankyou so much 🙏🙏🙏
Hi Dr wondering if you can help had faint lines on rapid tests a few days ago but were after the time period so didnt think much of it. I then did two tests both had faint lines within the time period. Did a pcr and it was negative and did another lateral flow the following day and that was a even fainter line than before did another pcr this morning under advice to do so and a lateral flow this evening and a positive result (two vibrant red lines) showed up within 30 seconds do you have any advice?
Hell Dr. Naveen, thank you for your video. Yesterday 15th Dec I had covid test by Rapid test and the result was positive and i did pcr lab test too but still waiting for the result. At night on 15th Dec I did my covid test on antigen test kit and my result was negative.
My question is which result is accurate? I am still waiting for PCR lab result. If my result is Negative from PCR lab that mean I no have covid ..
I dont have any symptom. Everything are good.
I am on travel plan on 19th Dec, i hope my result PCR lab is negative
Any updates?!
Have the same problem, what happened?
Hi Docter. I tested positive With Rapid antigen test on May18 ( Tuesday) and i have mild symptoms ( cold, light fever, pain in thort) and i started isolation from then. After 2 days my symtoms gone. but after 4 days May 22 ( saturday ) i gone for Rtpcr test and tested negative ( result came on next day i.e sunday ) now I am confused with results do i got effected with covid or not please explain.
Hi Pramod - it seems like you had some other kind of infection, not COVID-19. RT-PCR is generally more accurate and reliable. If you got a positive from rapid antigen and a negative from RT-PCR, it was most likely a false positive from the rapid test. Which rapid antigen test did you do? Do you have the name of that test available?
@@NaveenAgarwalPhD Standard Q covid 19 Ag.
The test kit looks like pregnancy test and I got both lines on it marked and i also have few symptoms which relates to covid
@@PramodKumar-pq1jy - thanks for sharing that information. On paper, the clinical performance of this test looks ok, but very similar to other tests of this type. False positive are common.
Both lines on this test (one for Control C and Test T) mean the result is positive. Problem is that many of the COVID symptoms are similar to other infections, at least in the early stage. If you lose your sense of smell or taste, or have difficulty breathing, then it is COVID. So it is not uncommon for people to experience symptoms, then the rapid test to give a false positive result. How are you feeling now? Do you still have symptoms? Stay safe.
@@NaveenAgarwalPhD Thanks for your reply sir. Presently i am fine sir. As u said most symtoms of covid matches with other infections, But apart from these symtoms my nose sensing capability decreased when i got infection but taste is quite opposite i fell more chilli when eating food in early days of infection and i also had some blisters on my tongue in early days of infection..
Thank you sir For ur information
@@PramodKumar-pq1jy You are welcome. Take care.
My rapid antigen test result came out negative in the first 30 minutes but turned out two lines at C and T overnight. Should I interpret the result as negative or positive ?
Hi - this is very odd. I don't think you have to wait that long for the test result. I would recommend repeating the test and following the test instructions carefully. Do you have any symptoms?
@@NaveenAgarwalPhD No sir , I am ok . Will do RT PCR today ! Thank you
@@goldenkris9158 Great! I hope it will be negative and that will give a higher level of confidence.
I felt chills. Otherwise feeling fine.
Now I'm in lockdown
What if i tested negative and 3 days later took the home test and tested positive 🤬
I got a negative result on 11/28 from a lab test. Today I tested positive with a rapid test only symptom I have is a runny nose for 3 days. Tomorrow I have another lab test since I’m not sure if the rapid test is accurate.
If you have symptoms, it is highly likely you are positive. To confirm, you can do an RT-PCR test. They are more accurate than rapid tests. But don't wait for the test. If your symptoms get worse, you should see a doctor immediately.