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Influenza (Flu) | Influenza (Flu) | CDC
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Influenza (Flu)
Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.
For Everyone
Strategies to reduce the risk of seasonal flu.
If you get sick with flu, flu antiviral drugs may be a treatment option.
H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases.
Learn what respiratory illnesses have in common and steps to help protect yourself and others.
Flu vaccination data for people 6 months and older as recommended by the ACIP.
Featured
Health care professionals play a critical role in helping patients choose flu vaccines.
Flu is a contagious respiratory illness that infect the nose, throat, and sometimes the lungs.
Learn about the current flu season and find resources related to flu surveillance and past seasons.
Learn more about who is at higher risk of developing potentially serious flu complications.
Access CDC communication resources to share information about the importance annual flu vaccination
Learn about prevention and treatment for flu and COVID-19.