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

Herds of cattle in Nevada tested positive for the strain of H5N1 bird flu never before seen in cows, state agriculture ...

The Milwaukee County Zoo has closed its aviary for the "foreseeable future" in an attempt to protect its birds from the bird ...

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

Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the ...

A health alert concerning farmers and their cattle. A newer strain of the bird flu virus has been detected in Nevada.

Dairy cattle in Nevada have been found to be infected with a new type of bird flu, distinct from the one that has been ...

A shift in the H5N1 virus has allowed it to spread more easily from birds to cows, raising concerns about its evolution.

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 ...

Dairy herds in Nevada have tested positive for a newer strain of the H5N1 bird flu virus, which has been linked to severe infections in humans.This strain diff ...

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding raises some worrying ...