how long are you contagious once you get the flu
You are most contagious right about the time you feel symptoms starting. But you should assume you’re able to spread the virus the entire time the cold lasts - typically 3 and 10 days. The contagious period for the flu is similar. A study found you’re most contagious during a 2-3 day period after the on-set of symptoms. But just like a cold, you can still spread influenza during the entire time you’re sick - anywhere between 2 and 10 days.
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.8 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.