A few days: People with influenza generallly are no longer contagious after fever and systemic symptoms (muscle aching, headache, etc) are gone. It usually takes 5-7 days after onset of the first symptoms. It may take longer for cough, sniffles, etc to clear up.
Answered 10/25/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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