Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

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

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

Experts said the discovery raises questions about how widely the virus has spread, and underscores the difficulty of ...

SHREVEPORT, LA - A second stain of bird flu has been detected in dairy cows in Nevada. So far, we have not seen the problem in Louisiana. This strain had only been detected in wild birds and poultry, ...

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

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

A Louisiana resident has died after being hospitalized with bird flu, the state's health department announced Monday, marking the first U.S. death from the H5N1 virus. "The patient was over the ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

A patient over 65 years old in Louisiana ... H5N1 virus could increase its ability to infect humans more effectively, posing a major public health threat, and the CDC has warned that the avian ...

A Louisiana resident has died after being hospitalized with bird flu, the state's health department announced Monday, marking the first U.S. death from the H5N1 virus. "The patient was over the ...