A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

Among several more outbreaks on commercial farms, one was at a layer facility in Pennsylvania that has nearly 2 million birds ...

Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human cases.

Pennsylvania's first confirmed case of avian flu in 2025 in domestic poultry was reported in a 50,000-bird flock on a Lehigh ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

Bird flu, also known as H5N1, continues to spread among U.S. livestock, driving up egg prices and worrying public health experts.

MILWAUKEE - Several birds believed to be carrying avian flu are being reported up and down the Lake Michigan shore across Southeast Wisconsin. The ...

Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...