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Q.

How long is a cold contagious?

Related Topics: Coldness
 

Answers From Experts & Organizations (1)

Primary Care
5,179 Answers
32,084 Helpful Votes
422 Followers
A.
As a rule, colds are contagious a day before you know you are sick, and for about two days after. At one week, if you are feeling progressively better, and unless you have a secondary infection, your cold should not be contagious.

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