Influenza (Flu) | Seasonal Influenza (Flu)

The 2016-2017 flu season is over.
Flu activity is low in the United States.
Vaccine for the 2017-2018 flu season has been updated to better match circulating flu viruses.

A yearly flu vaccine for everyone 6 months and older by the end of October, if possible.
Prompt treatment with antiviral drugs for people who are very sick or people who are sick & at high risk of flu complications.

Everyone 6 months & older should receive a yearly flu vaccine.

Flu can cause mild to severe illness. Learn the symptoms of flu.

Prescription medications called antiviral drugs can be used to treat flu.

The 2016-2017 flu season is over. Flu activity is low in the U.S.

Everyone six months of age or older needs a flu vaccine.

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Page last reviewed: July 28, 2017
Page last updated: July 28, 2017
Content source:
- Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (NCIRD)
- Page maintained by: Office of the Associate Director for Communication, Digital Media Branch, Division of Public Affairs