Flu has overtaken covid in infections and hospitalizations during the winter respiratory virus season, and their virulence is ...

NEW YORK (AP) — As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of ...

Flu is outpacing Covid in the U.S. for the second consecutive winter, raising questions about America’s future with the ...

A little-known virus that causes nasty flu-like symptoms is spreading in California — and it doesn’t have a vaccine. Cases of human metapneumovirus (HMPV) have been steadily rising since winter began, ...

A highly contagious respiratory virus, HMPV, is spreading on the West Coast and beyond. Experts warn of symptoms, severe ...

Experts are closely monitoring the marine animals, flagging mortalities and advising beach visitors to take extra precautions. Meanwhile, a Sonoma County poultry facility was struck by bird flu in ...

A long-running debate in vaccine design revolves around whether a vaccine should be optimized to prevent the virus from replicating inside an infected host or prevent the virus from transmitting to ...

Avian influenza detections in birds have started to decline across Europe following an autumn and winter during which circulation of the virus in waterfowl reached its highest level in five years, ...