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

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.

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

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

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

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

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

Egg farms are still recovering from the 2022 outbreak but now there’s also the cage-free law, mutations and competition as ...

Wildlife professionals and advocates are grappling with an avian influenza outbreak that seems to be growing more virulent ...