Sep 17, 2024 · When Are People with Flu Contagious? Influenza viruses can be detected in most infected persons beginning one day before symptoms develop and up to five to seven days …

Jun 5, 2024 · You stay contagious for 5-7 days after you start feeling sick. Kids and people with weak immune systems may shed the virus even longer. The flu virus can be spread until …

May 22, 2025 · Once you develop symptoms, you’ll still be contagious for another five to seven days. Children, older adults, and those with a weakened immune system may be contagious for …

Mar 12, 2025 · The flu is most contagious in the first three to four days after you begin showing symptoms, but waiting at least five to seven days is recommended. Exception: Some people …

Nov 6, 2025 · People with the flu are most contagious in the three to four days after they develop symptoms, the CDC says. Most people can infect other people up to a day before their …

Sep 10, 2025 · When it comes to the flu, timing is everything. You can be contagious before symptoms even appear and unknowingly spread the virus to others. Determining when you’re …

Sep 17, 2025 · Make sure you get a flu vaccine every year to lower the risk of getting and spreading the virus. The flu is most contagious during the first three days after your symptoms …

4 days ago · You are typically contagious with the influenza virus for about one day before symptoms begin and for 5-7 days after, although this duration can vary, especially in children …

Feb 12, 2025 · The flu is highly contagious, spreading through respiratory droplets, contaminated surfaces, or close contact with infected individuals. Flu-infected individuals are typically …

Feb 5, 2025 · Dr. Yancey says, “People are contagious with the flu starting the day before symptoms appear and lasting about a week.” However, young children, older adults, and those …