National Institute of Allergy and Infectious Diseases



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Flu
Understanding Flu
Definitions and Overview
Key Facts About Seasonal Flu
How Flu Spreads
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What To Do If You Get Sick
Preventing Seasonal Flu
Seasonal Flu Vaccine
Community Immunity
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Diagnosis
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H1N1 Flu (Swine)
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Flu (Influenza)

Flu.gov

Community Immunity

Link to Community Immunity illustration Learn how immunizing a critical portion of a community protects most members of the community.

Complete list of NIAID-funded clinical studies related to flu on ClinicalTrials.gov.

Studies at the NIH Clinical Center in Bethesda, MD

Related Links

View a list of links for more information about influenza.

See Also

Influenza News Releases

CDC, in coordination with its Advisory Committee for Immunization Practices, has additional recommendations for influenza vaccine use.

Flu.gov

Community Immunity

Link to Community Immunity illustration Learn how immunizing a critical portion of a community protects most members of the community.

Complete list of NIAID-funded clinical studies related to flu on ClinicalTrials.gov.

Studies at the NIH Clinical Center in Bethesda, MD

Related Links

View a list of links for more information about influenza.

See Also

Influenza News Releases

CDC, in coordination with its Advisory Committee for Immunization Practices, has additional recommendations for influenza vaccine use.