Information for Health Professionals

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Note: “Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2021-2022 Influenza Season” has been published. CDC recommends annual influenza vaccination for everyone 6 months and older with any licensed, age-appropriate flu vaccine (IIV4, RIV4, or LAIV4) with no preference expressed for any one vaccine over another. More information about the 2021-2022 flu season is also available.

The pages listed below offer public health and health care professionals key information about vaccination, infection control, prevention, treatment, and diagnosis of seasonal influenza.

Your flu vaccine recommendation makes a difference.

Influenza Data
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Overview and map of current influenza activity in the U.S.

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Coverage data and past trends of flu vaccination coverage in the U.S.

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