Evolution of Theories of Disease | Humoral | Miasma

[@qwery7554]

It was a rare occasion when John Snow know something....

[@kavitha124]

This is so good.👏👏

[@MicrobiologyMantra]

😊

[@zarinsahat7986]

It was so helpful.Thank you😃

[@MicrobiologyMantra]

😊

[@Weezlie1]

ROBOT speech. BOO.