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Q.

How long is someone with the flu contagious?

 

Answers From Experts & Organizations (2)

Medical Editor, WebMD
33 Answers
1,946 Helpful Votes
20 Followers
A.

THe CDC says 'Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children may pass the virus for longer than 7 days.'

Remember that some people who get the flu may not have symptoms and can spread the virus too.

Good hand washing, hygiene and getting the flu vaccine can help prevent getting the flu.

This answer should not be considered medical advice...down arrowThis answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.up arrow

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Archived: March 20, 2014

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Epidemiology
CDC
22 Answers
671 Helpful Votes
13 Followers
A.
You may be able to pass on the flu to someone else before you know you are sick, as well as while you are sick. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Some people, especially young children and people with weakened immune systems, might be able to infect others for an even longer time.

This answer should not be considered medical advice...down arrowThis answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.up arrow

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