Microbiologist Shows How Well Masks Work In This Demonstration

This demonstration by a microbiologist shows how wearing a mask can help prevent from spreading coronavirus.

Dr. Rich Davis performed a demonstration to show how masks block respiratory droplets from spreading to other people and the results were shocking and a little gross!

Dr. Davis sang, sneezed, talked and coughed toward agar culture plates with and without a mask and then put the plates in an incubator for 24 hours. The bacteria then appeared and check out the results below!

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