Viruses vs. Bacteria | What's The Difference?

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  • Опубліковано 13 лип 2017

КОМЕНТАРІ • 1,5 тис.

  • @SaurabhMishra-tt5qt
    @SaurabhMishra-tt5qt 4 роки тому +212

    My two years of class room learning summarised in 6 minutes.

    • @younglee4879
      @younglee4879 4 роки тому +2

      Karunesh Mishra 😅

    • @bernadinereed389
      @bernadinereed389 4 роки тому +1

      😃😃😃😃😃😃😃😃

    • @OliveSawyer2869
      @OliveSawyer2869 4 роки тому +4

      SO,,,,,,,,, according to this dumb bitch,,, @3:58,,, "IF a person has The AIDS or HERPES VIRUS,,,,All they need to do is EAT SOUP? REST?" and everything will be HUNKY DORY in a couple weeks.
      OK, Lets all say this together now,,,SHUT THE FUCK UP UNTIL YOU AT LEAST GRADUATE 1ST GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    • @appletherapy3492
      @appletherapy3492 4 роки тому +1

      Olive Sawyer Yeah, there is something screwed up about viruses...conflicting information. Either were not being told what they really are or their data isn’t consistant.

    • @michael02munrolm29
      @michael02munrolm29 4 роки тому +1

      It’s because you’re probably going to a school that doesn’t have windows and everyone sits in a circle like kindergartens in the 11th grade

  • @jennyhan1982
    @jennyhan1982 4 роки тому +107

    Have had this explained to me several times, but this has to be the most helpful explanation so far. Thank you!

    • @HongNguyen-my5oq
      @HongNguyen-my5oq 4 роки тому

      Slows learner

    • @josemv25
      @josemv25 4 роки тому

      Balloons always help

    • @OliveSawyer2869
      @OliveSawyer2869 4 роки тому +1

      SO,,,,,,,,, according to this dumb bitch,,, @3:58,,, "IF a person has The AIDS or HERPES VIRUS,,,,All they need to do is EAT SOUP? REST?" and everything will be HUNKY DORY in a couple weeks.
      OK, Lets all say this together now,,,SHUT THE FUCK UP UNTIL YOU AT LEAST GRADUATE 1ST GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    • @PLASBEZ
      @PLASBEZ 3 роки тому +2

      @@OliveSawyer2869 You call her dumb. Yet your grammar makes you look worse In comparasion.

  • @harshpatel149
    @harshpatel149 4 роки тому +305

    This video suddenly become valuable after corona.

    • @kemal3599
      @kemal3599 4 роки тому +2

      Valerie Mac Fair *coronavirus

    • @kemal3599
      @kemal3599 4 роки тому +1

      Valerie Mac Fair yeah ik I’m just pulling your leg lol

    • @harshpatel149
      @harshpatel149 4 роки тому +1

      I edited. Thanks both of you for reading my comment .

    • @springbok4015
      @springbok4015 4 роки тому +1

      The beer? The sun? A crown? What corona?

    • @springbok4015
      @springbok4015 4 роки тому

      @Trius Stonks

  • @whoasked7192
    @whoasked7192 4 роки тому +189

    This needs to go "VIRAL" lol

    • @DJSHaKa
      @DJSHaKa 4 роки тому +2

      SHHHHHHHHHH!

    • @brains7733
      @brains7733 4 роки тому +1

      Sounds like @DJ Shaka is in the Antibacterial Gel business.

    • @DearestNancy
      @DearestNancy 4 роки тому +2

      new meaning to that word now moving forward lol

    • @smg7602
      @smg7602 4 роки тому +1

      Lol

    • @Heart2HeartBooks
      @Heart2HeartBooks 4 роки тому +2

      So........not Bacterial?

  • @Guy-cs8yj
    @Guy-cs8yj 4 роки тому +10

    She explained this exceptionally well in laymen’s terms. Very nice work.

  • @peternguyen5097
    @peternguyen5097 4 роки тому +296

    Dr. Finch, your explanation is easy to understand. Your students are lucky to have you as their professor. Thanks for your public service.
    Dr. Peter Nguyen

    • @mikekahotea9197
      @mikekahotea9197 4 роки тому +2

      @keecefly My friends told me they are smarter too ....they ran out of words ...cos we ended up buying them ..during the Legioneres outbreak .. only this time this virus is stronger

    • @thomaspick4123
      @thomaspick4123 4 роки тому +1

      A Vietnamese doctor. How did you get the money to become a doctor in the USA? I bet you were given a free ride!

    • @kathy3221
      @kathy3221 4 роки тому +11

      @@thomaspick4123 that's a racist thing to say. Maybe his parents were born here or maybe he was. Foreigners do go to medical schools in this country and americans go to medical schools in other countries. Maybe he was given a free ride and maybe not, as americans sometimes are. How do you know he is not serving the underprivileged sector ? I see a lot of this sort of thing happening. I just met a vietnamese doctor not long ago, as a matter of fact, and was quite nice. Maybe you have bad memories of the 70's. I don't know, but your remark seems quite crude.

    • @jersaint4943
      @jersaint4943 4 роки тому +8

      @@thomaspick4123 you are a typical, stupid, racist jerk living inside America. You should leave USA and go back to where your ancestors came from!

    • @housinauthority5258
      @housinauthority5258 4 роки тому

      @@kathy3221 He is being xenophobic, not racist. Semantics my dear 😊

  • @kayesshatil
    @kayesshatil 4 роки тому +33

    This video helps a lot! Thanks! She explained the whole thing in a easy & understandable way.

  • @edinfific2576
    @edinfific2576 4 роки тому

    I love these short videos that get to the point and I learn and understand something before I get lost in them.

  • @niroopsoman
    @niroopsoman 4 роки тому +23

    A simple and loving lady.. 🤔Seems Well educated and down to earth person.. Intention is good..just sharing knowledge.. A beautiful humanbeing..Happy to see such characters.. Pranam sis.. from 🇮🇳🙏

  • @shakraisman9773
    @shakraisman9773 4 роки тому +21

    Short yet effective presentation. Thanks for opening my eyes with some fresh and interesting knowledge like this.

  • @cheynemcnab6540
    @cheynemcnab6540 4 роки тому +7

    I love these type of intros. “Oh, hey! Didn’t see ya there!” Lol

  • @robertschlesinger1342
    @robertschlesinger1342 4 роки тому +5

    Worthwhile video for teens that really need to understand the distinction between bacteria and viruses. Fungi and yeasts are worthy of another video.

  • @jackhancock2001
    @jackhancock2001 6 років тому +220

    I love how excited she was to pop that baloon

  • @VR_JPN
    @VR_JPN 4 роки тому +7

    Brilliant. 5 minutes to learn something huge. Many thanks.

  • @dawsonservices7087
    @dawsonservices7087 4 роки тому +1

    Thank you for clearing up the differance. Nice job

  • @mosaicrancher4233
    @mosaicrancher4233 4 роки тому +1

    Thank you. I love your approach to teaching your subject in a way that is accessible to children without the over simplistic tones they all too frequently have.

  • @roaddrivesimulator1302
    @roaddrivesimulator1302 4 роки тому +18

    3 years later , this finally trends. nice presentation. Tell us more about this Corona Virus .

  • @Larsholden702
    @Larsholden702 4 роки тому +59

    The 'oh, I didn't see you there intro'. 🤣😂

  • @nowomannocry8327
    @nowomannocry8327 4 роки тому +2

    She explained this well more than anyone else,thanks mum

  • @bhartiyashastriyasangeet8262
    @bhartiyashastriyasangeet8262 4 роки тому +1

    Good info.. Thanks for sharing

  • @SreeOne
    @SreeOne 6 років тому +60

    Good explanation Dr. Its in simple terms for a common person to understand. Thanks for the knowledge share.

    • @Ignisan_66
      @Ignisan_66 4 роки тому +1

      Common people should already know the difference between viruses and bacteria cause it's taught in school.

    • @OliveSawyer2869
      @OliveSawyer2869 4 роки тому

      SO,,,,,,,,, according to this dumb bitch,,, @3:58,,, "IF a person has The AIDS or HERPES VIRUS,,,,All they need to do is EAT SOUP? REST?" and everything will be HUNKY DORY in a couple weeks.
      OK, Lets all say this together now,,,SHUT THE FUCK UP UNTIL YOU AT LEAST GRADUATE 1ST GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    • @vikingh3008
      @vikingh3008 4 роки тому

      Olive Sawyer how many times are you going to put up the same comment, it’s getting boring

    • @Xmaslightsallyear
      @Xmaslightsallyear 4 роки тому

      @@vikingh3008 It was boring the first time. Like a mean little brat.

  • @gregorylangford5256
    @gregorylangford5256 4 роки тому +3

    Dr. Finch, you make me flinch!

  • @chumioCharlie
    @chumioCharlie 4 роки тому +1

    Wow, great explanation. Thanks for sharing and keep up the great work.

  • @tonysmith5465
    @tonysmith5465 3 роки тому

    Outstanding video young lady. Great job. Keep up the good work. Thanks a lot. S C Navy vet.

  • @indoindo7781
    @indoindo7781 4 роки тому +3

    Thank you for your helpful commons knowledge.

  • @MamaAdjoa
    @MamaAdjoa 4 роки тому +3

    Oh Thank you so much Dr. Finch, I've learned something good, that will help, they say knowledge is power right, So though it's a few minutes lesson but very important too.
    I'm glad I know. Bless you more

  • @anthonywillis7634
    @anthonywillis7634 4 роки тому +2

    You explain that so brilliantly. Thank you!

  • @shogun5886
    @shogun5886 4 роки тому

    Nice, yummy and informative.

  • @nesspatinio7807
    @nesspatinio7807 4 роки тому +4

    Wow! That’ s great teaching!

  • @ny1990
    @ny1990 4 роки тому +7

    Thank you so much for a very informative topics 🙏😊

  • @neilfurby555
    @neilfurby555 4 роки тому

    Beautifully presented, lovely lady!

  • @adriansmessages
    @adriansmessages 4 роки тому

    Interesting and informative video. Thank you.

  • @artbarrett469
    @artbarrett469 4 роки тому +3

    Thank you. Excellent Teacher. You did a perfect job explaining it.

  • @Tokyodrift786
    @Tokyodrift786 4 роки тому +4

    Thank you Dr Finch. That was really very interesting. Would like to keep in touch with you in regards to bacteria vrs viruses. I have already subscribed your channel. Cheers. Thank you.

  • @ayubshaikh9156
    @ayubshaikh9156 4 роки тому +2

    Beautifully and simply 'putted'. Thanks

  • @saurabhrathi301
    @saurabhrathi301 4 роки тому

    Nice and quite informative

  • @radhanair8761
    @radhanair8761 4 роки тому +3

    A big salute to you mam. You explained it so well.

  • @Apurvk
    @Apurvk 4 роки тому +1000

    who is watching this after corona virus outbreak? and this showed up in youtube suggestions, lol

    • @DigitalHaze65536
      @DigitalHaze65536 4 роки тому +5

      I just googled the coronavirus and when I came back to UA-cam this was in my suggestions.

    • @dimitriosfromgreece4227
      @dimitriosfromgreece4227 4 роки тому

      LOVE YOU ❤😍❤😍😁😁😁😁😁

    • @ccmkoho
      @ccmkoho 4 роки тому +5

      F Zee , me too. This panic is ridiculous compared to the flu. Once the warm weather hits this MAY all be in the rear view mirror. Surprisingly Africa has very few cases of the virus’s and countries like Kenya never shut down travel. This is baffling researchers.
      UPDATED. Like others, I was wrong. The panic was warranted to get the alarm out. Africa and South America are still curious in terms of numbers, if you believe them

    • @Peter_Parker361
      @Peter_Parker361 4 роки тому +1

      I would love to see the view-statistics for videos like this! ^^

    • @Peter_Parker361
      @Peter_Parker361 4 роки тому +2

      @@ccmkoho Climate Change will save all our asses! xD

  • @MrGaborseres
    @MrGaborseres 4 роки тому +1

    Awesome 👍

  • @caro.caro.9578
    @caro.caro.9578 4 роки тому

    Great video. We sure need this info now more than ever.

  • @andrekovacs1663
    @andrekovacs1663 4 роки тому +5

    Your vlog was very informative for a lot of people who have a misbelieve that antibiotics can cure a common cold. One more thing I would like to add, physicians should educate people about, DON'T SNEEZE AND COUGH INTO THEIR HANDS. USE THE ELBOW FOLDING INSTEAD!!!!!!!

    • @thertis580
      @thertis580 4 роки тому

      Not too old to learn something at 75. Thanks

    • @andrekovacs1663
      @andrekovacs1663 4 роки тому

      You're welcome!@@thertis580

  • @dloui5214
    @dloui5214 4 роки тому +3

    thank you professor . well explained

  • @cybergal99
    @cybergal99 4 роки тому +1

    THANK YOU for this!!! From NYC!

  • @shahzadbutt6983
    @shahzadbutt6983 4 роки тому

    Very informative video 👍👍👍

  • @hyosunggt125rcomet
    @hyosunggt125rcomet 4 роки тому +11

    Have to love the 80's style introduction.

  • @mijodo2008
    @mijodo2008 4 роки тому +3

    Excellent Discourse, thank you. Cheers from Michael, Australia.

  • @stephen7yu
    @stephen7yu 4 роки тому

    Best short video to educate people on viruses and bacteria.

  • @ricdwe
    @ricdwe 4 роки тому

    That was a really good discussion. Not complicated, and to the point. Now, I know the difference.

  • @zalala
    @zalala 4 роки тому +9

    suddenly people are interested to learn about science, what a time to live in, if only we knew that education works during this pandemics. thanks Dr.

    • @IAMJEFFREY-cw9ns
      @IAMJEFFREY-cw9ns 4 роки тому

      Shahrizal Ibrahim I absolutely agree😂🤣. Science especially biology is now probably my favorite topic.

  • @AirCicilia
    @AirCicilia 4 роки тому +4

    It's important to point out that the human immune system also defends against harmful bacteria, not just viruses.
    Antibiotics used to treat bacterial infections don't limit themselves to killing "bad" germs.

    • @franksmith7419
      @franksmith7419 4 роки тому

      Right they kill EVERYTHING they can.

    • @saturn6563
      @saturn6563 8 місяців тому

      Antibiotics also kill bacteria that is good for us, though that bacteria regrows eventually

  • @slayrey1
    @slayrey1 4 роки тому +2

    That was crazy how easily the camera surprised you there.

  • @atreyuprincipalh4043
    @atreyuprincipalh4043 4 роки тому +2

    THANK YOU DEAR DOCTOR FINCH!!

  • @ibrahimaldossary1481
    @ibrahimaldossary1481 4 роки тому +8

    great description. I wish you can describe more about the cells. For example, what are the cells and etc.
    I give you a like.

  • @williamstephens9945
    @williamstephens9945 4 роки тому +19

    1:29 - "Yay, Candy!" 😀

  • @ananthak8770
    @ananthak8770 4 роки тому

    Excellent. Well presented!

  • @HBgv5830
    @HBgv5830 4 роки тому +2

    Excellent tutorial. Thanks a lot

  • @Sai-fo7eq
    @Sai-fo7eq 4 роки тому +24

    Soooooo...... how do these things get into my computer?

    • @YesDaddyTDPop
      @YesDaddyTDPop 3 роки тому +3

      From watching the hub 😂

    • @15yearsago11
      @15yearsago11 3 роки тому

      Stolen comment from another vid

    • @Sai-fo7eq
      @Sai-fo7eq 3 роки тому +2

      @@15yearsago11 nah sorry just came up with it on the spot while watching this for school

  • @adeelhassan7428
    @adeelhassan7428 4 роки тому +12

    Goddamn it i was using headphones and that balloon burst scared the crap out of me 😂😂

    • @flashylights
      @flashylights 4 роки тому

      🤣😂😂

    • @JamesTenis
      @JamesTenis 4 роки тому

      Haha! She uses the balloons to wake up her sleepy students!

  • @williamgibb5557
    @williamgibb5557 4 роки тому

    Beautifully explained. Took me back to high school biology from 55 years ago. Keep up the teaching.

  • @rinoceronte2692
    @rinoceronte2692 4 роки тому

    That's great information thanks ..

  • @wisdomtshembo2548
    @wisdomtshembo2548 4 роки тому +4

    I enjoyed this 😀

  • @jawadsaeed5579
    @jawadsaeed5579 4 роки тому +13

    I enjoyed this

  • @gslsm
    @gslsm 4 роки тому

    Thanks , nice presentation ...lucid and simple...

  • @Primesonb
    @Primesonb 4 роки тому

    Oooh Good explanation... Simple and Powerful...!!!!

  • @brinonimous
    @brinonimous 4 роки тому +9

    Ah, the old "oh hello, I didn't see you there" intro.

    • @josemv25
      @josemv25 4 роки тому +1

      Oldie but goodie

  • @rwb010109
    @rwb010109 4 роки тому +9

    If a virus needs a host to live in,,,how did it start in the first place before it found a host?

    • @rahulgogoi8335
      @rahulgogoi8335 4 роки тому

      A virus can remain in a crystalline state(read dead state) for a considerable amount of time till it finds a new host...thts why a virus is considered a 'mid-way thing' between living and non-living...

    • @markbrad123
      @markbrad123 4 роки тому

      Nobody knows, but one can speculate it maybe was a invading bacteria that got encased in antibody proteins and mutated into a virus

  • @artadmirer5008
    @artadmirer5008 2 роки тому

    Very Informative video on bacteria and virus. It will help to clear the doubts of lots of people

  • @riaagarwal7128
    @riaagarwal7128 2 роки тому

    nice upload ...valuable video video ,nice sharing

  • @dsc804
    @dsc804 4 роки тому +4

    Kudos... Thank you for explaining it in such a simple way....

  • @megaman7007
    @megaman7007 4 роки тому +21

    Harvard: Who's gonna teach our advance viral cell biology class?
    Me: I can teach your class!
    Harvard: Are you an accredited PhD professor?
    Me: No, but I watched a Dr. Finch's lab UA-cam video the other day..

    • @Dr.Pepper001
      @Dr.Pepper001 4 роки тому +4

      I'm more qualified because I stayed at a Holiday inn Express last night.

  • @tima1443
    @tima1443 4 роки тому +3

    I learned sooo much from you. Just precise and concise, thank you!!

  • @eduardoadarmes1406
    @eduardoadarmes1406 4 роки тому

    Excellent presentation.

  • @jonneyjunmu464
    @jonneyjunmu464 4 роки тому +33

    I love this film, short and helpful.

  • @paulanthony5274
    @paulanthony5274 4 роки тому +12

    It's a good job I wrapped my dressing gown up just before she said hello

  • @ij6308
    @ij6308 3 роки тому +1

    Your conversation is very interesting an educated. When you speak about the virus and a bacterial

  • @grandwonder5858
    @grandwonder5858 4 роки тому

    This is the best explanation of the difference between viruses and bacteria I've ever seen, bar none!

  • @brendaoki8130
    @brendaoki8130 4 роки тому +40

    The shade about her students at the beginning☠️😂

  • @setasdesiecha2135
    @setasdesiecha2135 4 роки тому +16

    the little dog is kind of sick, not moving ;D

  • @ambilyraghavananil2983
    @ambilyraghavananil2983 2 роки тому

    good presentation and well explained

  • @karhukivi
    @karhukivi 4 роки тому

    Excellent, Dr Finch! Very good basic introduction.

  • @MM-th4zu
    @MM-th4zu 4 роки тому +6

    Thank you very much for this information, it is really clear and good to understand. Very important information is, that antibiotics do not kill viruses. I wonder, how long a virus e.g. on a door knob survive, without having a host cell.

  • @riyatiwari5865
    @riyatiwari5865 6 років тому +3

    Thanks mam you explained very nicely

    • @kamelsafsaf7842
      @kamelsafsaf7842 5 років тому

      IS she your mom ??

    • @almas1205
      @almas1205 4 роки тому

      Riya Tiwari she is too Young to be your mom.

  • @Rose-vu8vs
    @Rose-vu8vs 2 роки тому

    very informative video

  • @nighthiker8872
    @nighthiker8872 3 роки тому +2

    You explain things very well. You should be on radio, the common person can understand. Today most on the radio, scare people and real say nothing. You have a good voice. Go on coast to coast radio show.

  • @meirwise1107
    @meirwise1107 4 роки тому +7

    When she popped that balloon I nearly had a heart attack! Great explanation your students are lucky. But could you explain how viruses get into computers.

  • @000pete9
    @000pete9 4 роки тому +7

    Virus, " Living Dead"

  • @jesusgodjr9873
    @jesusgodjr9873 4 роки тому +2

    THANS Great video

  • @l.a.raustadt518
    @l.a.raustadt518 4 роки тому

    Thank you Dr.Finch. My first pulmonary Dr. (Bowen now/retired) told me in 1997 to get a computer to learn about sarc which he determined I had. I m still learning which is good. Year s ago I had a left lung infection w/fluid build up. Sent home on predizone I raked yard and got worse. Back to hospital and infectious disease Dr. (Anderson) found Norcardia. That was not much fun but quite a interesting case. I listen to all my doctor s and that includes you! Retired truck driver , never to old to learn!

  • @danishsiddiqui7594
    @danishsiddiqui7594 4 роки тому +313

    but how does it get into my computer?

    • @wisdomtshembo2548
      @wisdomtshembo2548 4 роки тому +8

      😂 😂 😂 😂 😂

    • @jimmyalmighty2834
      @jimmyalmighty2834 4 роки тому +17

      😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂 that was a good one

    • @natajohn
      @natajohn 4 роки тому +27

      you shook someone's hand which had a virus in it and then went home and used the keyboard of your computer passing on the virus.

    • @deepakkarki6525
      @deepakkarki6525 4 роки тому +25

      Because u didn't use condom on pendrive😁😁😁

    • @i.bendigas6856
      @i.bendigas6856 4 роки тому +9

      You should pay attention not to sneeze or to cough on your keyboard. Wash your hands before you change a disk! Otherwise, since all components are connected with the motherboard, possible contamination will spread over your hardware and infect your OS. Security-softwares cover many viruses, but not all.

  • @northerniltree
    @northerniltree 4 роки тому +9

    My teacher explained it this way: one's like a long john, the other's like a donut hole. But I forget which one is which one!

    • @nickbrighty8882
      @nickbrighty8882 4 роки тому +1

      Was that in Biology or Sex Ed.?

    • @KP-qb3mw
      @KP-qb3mw 4 роки тому

      Nick Brighty LMAO!!! Thank you Nick! That made my night!

  • @anshulhanda574
    @anshulhanda574 4 роки тому

    Very Nice Video, so simply explained.

  • @colico14
    @colico14 4 роки тому +1

    Very informative. Thank you, Dr. Finch!

  • @keiraabi
    @keiraabi 4 роки тому +4

    Who’s here for bio?

  • @WeBbillionairz
    @WeBbillionairz 4 роки тому +6

    Rest. Soup. Water.✔ got it👍🏽

    • @somethingappropriate
      @somethingappropriate 3 роки тому

      Vaccines! Masks! Social distance! Vaccine! Close economy! Stay at home! Don’t exercise! Panic! Isolate! Quarantine! 🤣😂🤣

  • @mukhtarali4521
    @mukhtarali4521 4 роки тому +1

    Very useful information Doctor Sahara
    Thank you

  • @1hjehje
    @1hjehje 4 роки тому

    Very informative ... Thank You!

  • @farwatariq9233
    @farwatariq9233 4 роки тому +3

    i am getting info in my leisure time i have a lot of time bcz of the lockdown

  • @b.entranceperium
    @b.entranceperium 4 роки тому +211

    Who here is studying to beat coronavirus?

    • @stevens5541
      @stevens5541 4 роки тому +3

      I'm here after finishing in your ugly mrs

    • @xanderk84
      @xanderk84 4 роки тому +7

      Yup, now that I know viruses are hundreds of times smaller than bacteria I think I'm in a much better position to survive.

    • @b.entranceperium
      @b.entranceperium 4 роки тому +4

      @@stevens5541 lol

    • @suzimonkey345
      @suzimonkey345 4 роки тому +7

      Randy Marsh The best way “to beat coronavirus” is simply not to catch it! Avoiding exposure & avoiding exposing others is currently the only defence we have. I think that this vid explains things well & answers those who say “It’s just the flu! What’s the problem?” - ua-cam.com/video/k3w7r932zlU/v-deo.html

    • @Granny1
      @Granny1 4 роки тому +3

      I'm here to poop on viruses

  • @mahribeneda6462
    @mahribeneda6462 4 роки тому

    She refresh my memory from the high school thank you Madam .

  • @berniecahane5320
    @berniecahane5320 4 роки тому

    Nice, succinct explanation.