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

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird ...

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

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 ...

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, ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

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

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 ...

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

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

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 ...