Avian influenza, also known as bird flu, has been identified in a commercial poultry flock in Walworth County.

The Michigan Department of Agriculture and Rural Development has confirmed an outbreak of bird flu among a commercial poultry ...

The bird flu has continued to spread in wild and domestic birds in the United States over the last several years, and has infected mammals.

So far this year in Pennsylvania, 28 flocks have been affected.

KENT COUNTY, Mich — Health officials confirmed a case of highly pathogenic avian influenza (HPAI) in a commercial poultry flock in Kent County, the Michigan Department of Agriculture and Rural ...

BUENA VISTA COUNTY, Iowa — Officials have identified Iowa's sixth case of bird flu this year, marking the fourth case of the last eight days, according to the Iowa Department of Agriculture and Land ...

Bird flu is spreading in across the U.S. this spring, impacting countless birds and raising concerns for farmers. Here's how ...