According to the governor's office, more than half of all avian flu cases in the United States are in Pennsylvania.

More than 1.2 million laying hens in Wisconsin have been struck by highly pathogenic avian influenza, while new flock infections have also been reported in the states of Indiana and Delaware.

A commercial laying hen flock in Pennsylvania and a commercial meat turkey flock in Illinois are the latest U.S. poultry operations to be struck by highly pathogenic avian influenza (HPAI).

The confirmation last week of H5N1 bird flu in northern elephant seals at California’s Año Nuevo State Parkhas put wildlife managers and public health officials on alert.

Infection can also be transmitted to people by touching surfaces contaminated with infected bird mucous, saliva or feces and then touching their eyes, mouth or nose, or if liquid contaminated splashes ...

LANCASTER COUNTY, Pa. (WHTM) – Lancaster County, the national epicenter of an avian flu outbreak, is reporting new cases ...

Bucks County officials are warning residents not to touch or interact with wildlife in county parks after several birds in the county tested positive for avian flu. Several wild birds were found dead ...

Bird flu (H5N1) confirmed in a Jefferson County poultry flock. Risk to the public is low; officials urge biosecurity and avoiding sick or dead birds.

There are no current plans to test the geese since the virus, also known as bird flu, has already been confirmed in birds across Long Island.

After a catastrophic outbreak of bird flu devastated southern elephant seal populations in 2023, scientists are on high alert.

Two live bird markets, 1 in Orange County, Florida, and 1 in Kings County, New York, reported bird flu outbreaks.

A highly contagious strain of avian flu has been detected in northern elephant seals at Año Nuevo State Park, the first time the disease has been detected in California’s marine mammal population.