San Mateo County pet owners were urged to take sick pets to the veterinarian after health officials detected bird flu in a ...

H5N1, known as bird flu, has been detected in a backyard poultry flock in San Mateo County, the California Department of Food ...

"I think the length of the road before [we see] a mutation that allows easier entry into our lungs is much shorter than people think." ...

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

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

Avian influenza, also known as bird flu, has been detected in Canada geese in Jefferson County — now one of 10 Kentucky ...

The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state agriculture officials confirmed Wednesday, and respiratory symptoms like ...

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

What you need to know about bird flu. Public health experts are closely watching avian influenza, which has affected chickens ...