Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

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

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

Legislation intended to aid the state’s response to highly-pathogenic avian influenza, or bird flu, passed the Senate ...

Bird flu is continuing to spread across the United States, infecting wild birds and backyard poultry. It's causing egg prices ...

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

The USDA said four Nevada dairy herds were infected with an H5N1 bird flu strain that has circulated in wild birds, making ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

Researchers have stressed that bird flu still poses a minimal risk to the general public, though that may change as the virus ...

Don’t be a hero if you spot birds or animals showing signs of avian flu (dead or distressed birds, multiple signs of sickness ...

The U.S. Department of Agriculture has detected a bird flu strain in dairy cattle that previously had not been seen in cows, ...