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Information for Health Professionals

Note: “Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2018–19 Influenza Season” has been published. CDC recommends annual influenza vaccination for everyone 6 months and older with any licensed, age-appropriate flu vaccine (IIV, RIV4, or LAIV4) with no preference expressed for any one vaccine over another. Content on this website is being updated to reflect this most recent guidance. More information about the upcoming 2018-2019 flu season is 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.

Flu Activity & Surveillance

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

Flu Vaccination Coverage

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

Long-Term Care Employers

Photo of a group of health care professionals, men and women, working together.

Long-term care employers toolkit to increase vaccination of health care personnel.