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

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

A Louisiana woman with the first severe case of bird flu in the US had a mutated form of the disease that may make it more ...

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

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

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

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

A national recall was issued after an Oregon cat died from eating raw pet food contaminated with the bird flu.

Northwest Naturals is recalling a line of its pet food after authorities Oregon linked the death of a cat to a batch ...

At least 65 human cases of H5 bird flu have been confirmed this year, with the majority being detected in California.

Los Angeles County health officials reported the first human case of bird flu in the area less than a week after a statewide ...

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...