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

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, marking the second strain detected in herds since ...

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

Legislation intended to aid the state’s response to highly-pathogenic avian influenza, or bird flu, passed the Senate ...

A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

Bird flu is continuing to spread across the United States, infecting wild birds and backyard poultry. It's causing egg prices ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested ...