How Long Does The Flu Last 2025

How Long Does The Flu Last 2025. How long is the flu contagious? In general, flu season in the us lasts from october to as late as may, peaking between december and february.

Adults with the flu can pass the virus for five to seven days after they begin having symptoms, although they’re the most contagious in the first three to four days after symptoms start. Flu is very infectious and easily spread to other people.