(CNN) — Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada ...

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists on high alert.

With a second case of bird flu detected in a Nevada dairy herd, state and federal officials are increasing efforts to protect livestock and residents.

A bird flu variant linked to the death of a Louisiana resident has now been found in cattle in Nevada.

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more ...

The Nevada Department of Agriculture has detected a second strain of the bird flu in a herd of dairy cattle, though consumers' risk remains low.

The cows were sick with bird flu, a virus that has spread among cattle in at least 14 states and has rapidly taken hold in California’s Central Valley, home to the nation’s largest dairy ...

By Brenda Goodman, CNN (CNN) — Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according ...