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 ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

A new strain of bird flu has infected dairy cows in Nevada, marking the second time the virus has jumped from birds to cattle ...

A new strain of the H5N1 bird flu virus has been detected in milk samples collected from dairy cows in Nevada.

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 variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now ... that a strain previously found only in wild birds has turned up in dairy herds in Nevada ...

Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds throughout the past year, the U.S. Department of Agriculture (USDA) said.

For the first time, a new genotype of avian influenza has been identified in U.S. dairy cows, prompting biosecurity efforts.

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to ...