A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

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

Dairy cows in Nevada have been infected with a new strain of bird flu, marking the second strain detected in herds since ...

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

Bird flu, also known as H5N1, continues to spread among U.S. livestock, driving up egg prices and worrying public health ...

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

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

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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 ...

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

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...