Information for Health Professionals
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.
Overview and map of current influenza activity in the U.S.
Coverage data and past trends of flu vaccination coverage in the U.S.
- Infection Control in Health Care Facilities
- Interim Immunization Recommendations for Individuals Displaced by a Disaster
- Medical Office Telephone Evaluation of Patients with Possible Influenza
- Health Care Provider Fight Flu Communications Toolkit
- Make A Strong Flu Vaccine Recommendation
- Flu Activity and Surveillance
- The Pink Book. Chapter 12: Influenza
- Vaccines and Immunizations
- Large-Scale Influenza Vaccination Clinic Planning
- Influenza vaccines — United States, 2020–21 influenza season
- Provider Resources for Vaccine Conversations with Parents
- Avian Influenza Guidance
- Clinician Guidance for Variant Virus Infections
- International Reagent Resourceexternal icon
Reagent users: tools and information on influenza and influenza virus detection