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For How Long Am I Contagious After Being Infected By The Flu?

Erica Brownfield, M.D., Associate Professor of Medicine, Emory University School of Medicine
September 25, 2008

Question: For How Long Am I Contagious After Being Infected By The Flu?

Answer: The tricky thing about flu viruses and viruses in general -- you yourself can actually be contagious a whole day prior to developing symptoms. And you can be contagious up to five days once you've developed symptoms.

Next: At What Point Should I See A Doctor If I Have Symptoms Of A Cold Or The Flu?

Previous: Will I Feel Symptoms Immediately After Being Infected By The Flu?

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