A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to ...

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

Connecticut has not been spared from the ongoing bird flu outbreak that has primarily been impacting livestock.

The Centers for Disease Control and Prevention (CDC) has identified mutations in a strain of the avian influenza virus H5N1, ...

After Gov. Gavin Newsom last week declared an emergency stemming from bird flu’s spread in dairy herds, local public health ...

H5N1 outbreaks have led to the losses of commercial flocks in Barron, Trempealeau, Washburn and other Wisconsin counties.

The recall, according to a news release published Wednesday, involves Northwest Naturals' Feline Turkey Recipe raw frozen pet ...

A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.