Each year in the U.S., seasonal influenza kills more than 36,000 people and hospitalizes 200,000 more. NIAID scientists worldwide are working together to find better ways to prevent, diagnose, and treat seasonal and pandemic influenza, including H1N1 flu. For the latest in NIAID-supported influenza research, see Recent Scientific Findings and H1N1 Research Updates.
Updates on trials with healthy adults, elderly, children, pregnant women, people with asthma, and people with HIV.
Read about what researchers have learned from the 1918 pandemic.
Bulletin: NIAID Studies Investigate Immune Responses to Shot, Spray 2009 Pandemic Flu Vaccines—Nov. 25, 2009
NIAID Media Availability: Immune System of Healthy Adults May Be Better Prepared Than Expected to Fight 2009 H1N1 Influenza Virus—Nov. 16, 2009
Bulletin: Updated Results: In Youngest Children, a Second Dose of 2009 H1N1 Influenza Vaccine Elicits Robust Immune Response—Nov. 2, 2009
Initial Results Show Pregnant Women Mount Strong Immune Response To One Dose of 2009 H1N1 Flu Vaccine—Nov. 2, 2009
All Flu News Releases
Recent Congressional Testimony by Anthony S. Fauci, MD, NIAID Director
Learn how immunizing a critical portion of a community protects most members of the community.
View a list of links for for more information about influenza.
NIAID Publications order form
Order Publications