Death rates associated with influenza vary widely from season to season, but are markedly higher when the more lethal H3N2 strains are prominent among circulating flu variants, according to new CDC estimates. […]
Pandemic H1NI influenza was almost the only type of flu virus circulating in the U.S. during the 2009-2010 flu season -- and it disproportionately affected younger age groups, according to the CDC. […]
A novel DNA-based influenza vaccine strategy successfully immunized mice and ferrets against infection with multiple flu strains, suggesting that future flu vaccines may not have to be reformulated every year. […]
WASHINGTON -- The FDA warned consumers Thursday to be alert for websites selling a fake "generic" version of the flu drug oseltamivir (Tamiflu), which may be dangerous to patients allergic to penicillin. […]
The pandemic H1N1 influenza virus is similar to seasonal influenza A viruses in terms of viral shedding, symptoms, and household transmission, researchers in Hong Kong found. […]