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

Halting the release of information about bird flu leaves Americans in the dark about a confirmed threat to agriculture ...

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

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

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

A second strain of bird flu has been detected in U.S. dairy cattle, marking the first confirmed infections of this particular ...

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

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 ...

Neither of the two strains of avian influenza that have infected dairy cows in the United States have been detected in the ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...