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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
Dr. Paul Williams answered

Specializes in Allergy and Immunology

True: Most viral infections are contagious beginning a day or so before the onset of symptoms.

Dr Cordero agreed

Answered 3/26/2013

6k views

Thank

Related Questions

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When does the flu stop being contagious ? After hoe many days from symptoms resolving ?

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Would you be still contagious, if you are getting over the flu and have lingering symptoms?

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When after my flu symptoms start going away am i no longer contagious?

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How long after symptoms of flu show is it contagious for. And how long is the period of seeing if you will get it?

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A member asked:

I was told yesterday I have flu A bit never broke out with a fever. My symptoms started 3-4 days ago so I was wondering how long I am contagious for if I even am now ?

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