Influenza How Long Contagious. Flu usually comes on suddenly. Some people, especially young children and. COVID19 (Coronavirus) Latest Information and Advice A24 from www.a24group.com You can actually infect someone before you start feeling symptoms of the flu.you are most contagious in the 3 to 4 days after you start to feel sick, but you remain …
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How Long Is Influenza Contagious
How Long Is Influenza Contagious. The virus is most contagious before symptoms and during the first three to five days. Adults with the flu can pass the virus for five to seven days after they begin experiencing symptoms, although they’re most contagious in the first three to four days after symptoms appear. Influenza – Seasonal …