How soon do flu symptoms develop after being exposed to a virus?

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Influenza, or the flu, is a viral disease of the respiratory tract—the nose, throat, bronchial tubes and lungs. The flu is highly contagious and is spread though airborne droplets of moisture produced when someone with the flu coughs or sneezes. When you breathe in these germs, you may come down with the flu, generally within one to four days of being exposed.

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How soon do flu symptoms develop after being exposed to a virus?

Continue Learning about Cold and Flu