Handkerchief: So that you decrease the aerosolization of of viruses and bacteria in vicinity of others. Same reason as washing hands. This is most common way to spread infectious diseases.
Answered 12/9/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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