Virus: I do not know the exact period of time that droplets can remain suspended in the air, however some common cold viruses can live on inanimate surfaces for several hours. When someone covers their cough with their hand , the virus can remain infective on hands for at least two hours (if not washed off).
Answered 9/12/2013
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4 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
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