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A member asked:
Is it true that the cold and flu are most contagious before the onset of symptoms?
3 doctors weighed in across 2 answers
No: Since colds and the flu are generally spread through respiratory droplets (i.e. Coughing and sneezing), people are most contagious when they appear sick.
Answered 7/20/2012
6.6k views
Thank
True: Most viral infections are contagious beginning a day or so before the onset of symptoms.
Answered 3/26/2013
6k views
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