Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

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

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

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

A highly pathogenic H5N1 virus has been circulating in wild birds in North America since late 2021, causing sporadic ...