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A member asked:
After someone who has covid19 coughs or sneezes,if he doesn't wear a face mask,how long can saliva droplets stay in the air/surface where the coughing&sneezing happen?if he wears a face mask,will the mask prevent the droplets from getting to the air?
A doctor has provided 1 answer
COVID 19: In a laboratory environment COVID 19 has been demonstrated to linger in air for a few hours. However, that does not mean that would occur in the real world. Wearing a face mask helps but does not mean that all droplets are prevented from entering the environment.
Answered 7/19/2020
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