How long are you contagious when you have the flu?

Most of the time, you will become contagious about 24 to 72 hours after contracting the influenza virus and remain that way for up to five days after the onset of symptoms. But children or people with compromised immune systems can be contagious to those around them for up to two weeks.Oct 26, 2015 read more

You’re contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick. Kids may be able to spread the virus for even longer, until all of their symptoms fade. read more

Technically, when you have the flu, you are contagious for about a week after becoming sick. And you become sick about one to four days after being exposed to someone else with the flu – that’s the incubation period. read more

If you’re at high risk for flu complications because you’re over 65, you have a chronic health condition, or you’re pregnant, let your doctor know if you get the flu. Also call your doctor right away if you have any of the more serious flu symptoms, such as trouble breathing or dizziness. Colds. Common colds are caused by many different viruses. read more