Doctors are once again expressing their disappointment over the latest flu vaccine. The CDC reports that the vaccine failed miserably against a flu bug that popped up halfway through the season. In ...

As bird flu continues to spread among cattle in the U.S., WebMD and the Centers for Disease Control and Prevention (CDC) joined forces on Thursday to present a live-streamed briefing on the status of ...

The CDC has released a new dashboard to track the spread of bird flu. The dashboard includes data on wastewater sampling sites that have tested positive for influenza A. The CDC is also monitoring 260 ...

Flu season is off to a rough start this year, according to the Centers for Disease Control and Prevention. While the virus arrived as expected, cases are rising faster, compared with previous years.

America is being slammed by a brutal flu season that health officials say is shaping up to be one of the worst in years, with a fast-moving strain dubbed the “super flu” driving record numbers of ...

Flu activity is continuing to climb across the U.S. as hospitalizations rise, according to newly released data from the Centers for Disease Control and Prevention. The percent of outpatient visits for ...

As California public-health officials warn about the spread of a new strain of influenza in the wake of the state confirming its second flu-related death of a child, a leading local infectious-disease ...

Bird flu is what’s known as a highly pathogenic avian influenza virus. The “highly pathogenic” part refers to birds, which the virus is pretty adept at killing. In virology speak, the virus is of the ...