1 doctor weighed in:

How long is the common cold contagious for? The same applies for the flu and other common infections?

1 doctor weighed in
Dr. Anna Nolan
Internal Medicine - Pulmonology

In brief: Variable

You are most contagious for a few days before you peak symptoms start for the flu you are also contagious for several days after you become smptomaic.

In brief: Variable

You are most contagious for a few days before you peak symptoms start for the flu you are also contagious for several days after you become smptomaic.
Dr. Anna Nolan
Dr. Anna Nolan
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