Lab tests suggest a strain of the flu virus circulating this season may not be "well-recognized" by the flu vaccine.

Or were you flattened by the flu and now have a cough that won't go away? You are not alone. The U.S., including Arizona, is ...

As of February 22, the cumulative rate of flu hospitalizations in the US during this respiratory virus ... increasing ...

Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife ...

Two indoor cats belonging to Michigan dairy workers tested positive for avian influenza last year, according to a new report, ...

Recent CDC findings show indoor cats contracted bird flu from dairy workers, highlighting new transmission pathways and ...

Norovirus spreads easily and often causes vomiting, diarrhea, nausea and stomach pain, although people usually recover in a few days. And the virus has many names — stomach flu, stomach bug and cruise ...

The Wisconsin Department of Natural Resources is testing additional birds in Adams, Outagamie, Racine and Waukesha counties, DNR Health Section Supervisor Jasmine Batten told the Journal Sentinel.

This season's influenza vaccine may ... when the CDC reported that all H3N2 viruses they tested were "well-recognized" by the vaccine virus antibodies. Experts cautioned that many other factors ...