Dairy cattle in Nevada have been infected with a new type of bird flu thats different from the version that has spread in U.S. herds since last year, officials said.

U.S. dairy cattle tested positive for a strain of bird flu that previously had not been seen in cows, the U.S. Department of Agriculture said.

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

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in dairy cows in Nevada, USDA says.

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

A version of the H5N1 bird flu virus that killed a person in Louisiana and severely sickened a teenager in Canada has now ...

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 ...