The flu (influenza) spreads easily, but how long are you contagious? Here’s what experts say:

Most Contagious: 1 day before symptoms appear.

Peak Contagiousness: First 3–4 days of illness.

Total Duration: Up to 7 days (longer for kids/immune-weakened).

Prevention Tips:
✔ Wash hands frequently.
✔ Cover coughs/sneezes.
✔ Stay home if sick.

Knowing these facts how long is the flu contagious helps protect yourself and others from the flu!
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