A woman in Platte County, Wyo., has been hospitalized with the state's first reported case of H5N1 avian flu, the fourth severe case in the U.S., CIDRAP reported Feb. 17.

Since 2021, experts have seen bird flu — also called H5 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, among ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...