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Flu (Influenza) Seasonal Flu, Avian (Bird) Flu, and Pandemic Flu

Understanding Flu

What are Seasonal Flu, Avian (Bird) Flu and Pandemic Flu?
Cause
Transmission
Symptoms 
Complications
Diagnosis
Treatment
Prevention
Publications

Illustration of the flu virus.

View the illustration: antigenic drift showing how a mutation of genes enables the virus to escape the body’s defenses.

View the illustration: antigenic shift showing the genetic change that enables a flu strain to jump from one animal species to another.

Influenza Research Update

PFGRC Announces the Addition of an Influenza Gateway® Entry Clone Set (Non-government)

Report of the Blue Ribbon Panel on Influenza Research (PDF)

NIAID has awarded $23 million per year for seven years to establish six Centers of Excellence for Influenza Research and Surveillance.
Read the press release.

Influenza Research at NIAID

  • How the Flu Virus Changes
  • Diagnostic Progress
  • Advances in Treatment
  • Prevention: Vaccines and Healthy Habits
  • Pandemic Flu Research
  • Resources for Researchers
  • Clinical Studies
  • Influenza Research in NIAID Labs

  • News and Events

    Bacterial Pneumonia Caused Most Deaths in 1918 Influenza Pandemic
    Aug. 18, 2008

    Researchers Find Quick Way to Make Human Monoclonal Antibodies against Flu
    April 30, 2008

    NIAID Media Availability: Study Provides New Understanding of Forces Behind Seasonal Flu Virus Evolution
    April 16, 2008

    All Flu News Releases

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    Volunteer for clinical studies
    Volunteer for NIAID-funded clinical studies related to flu on ClinicalTrials.gov.

    Research Feature

    An emergency hospital at Camp Funston, Kansas, cared for large numbers of soldiers sickened by the 1918 flu. Photo.

    Blood from survivors of the deadly 1918 flu is helping a modern researcher understand why that flu was so lethal—and may also hold a key to preparing for the next global flu outbreak. Read more.


    Related Links

    View a list of links for for more information about influenza.

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    Volunteer for clinical studies
    Volunteer for NIAID-funded clinical studies related to flu on ClinicalTrials.gov.

    Research Feature

    An emergency hospital at Camp Funston, Kansas, cared for large numbers of soldiers sickened by the 1918 flu. Photo.

    Blood from survivors of the deadly 1918 flu is helping a modern researcher understand why that flu was so lethal—and may also hold a key to preparing for the next global flu outbreak. Read more.


    Related Links

    View a list of links for for more information about influenza.