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

According to the Centers for Disease Control and Prevention (CDC), there have been 67 confirmed human cases of H5N1 bird flu ...

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

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

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

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

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

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.

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

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.