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 · How long are you contagious with the flu? You can spread the flu before you feel ill, but you're typically most contagious during the first 3 days of your illness.

1 day ago · Summary Flu cases are rising across the US ahead of the holiday season, with a fast-spreading influenza A strain driving concerns. Here’s what “super flu” means, key symptoms to …

Sep 10, 2025 · Once you confirm a flu diagnosis, knowing how long you’re contagious can protect others and give you an idea of when you can return to normal activities. The first three to four …

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 …

Nov 3, 2025 · The flu is spread through droplets and you can be contagious before you start showing symptoms. Learn more about its incubation period.

Doctronic reports you are contagious with the flu one day before symptoms and up to seven days after. Practice hygiene and isolate to protect others.

Dec 3, 2025 · A healthy adult can expect to be contagious for a period ranging from five to seven days after symptoms first appear. This window represents the duration the influenza virus is …

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 …

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 …