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 second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

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

A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again ...

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 ...

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.

The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...

The U.S. Department of Agriculture has detected a second bird flu strain in dairy cattle that previously had not been seen in ...

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