A big cat sanctuary in Washington is temporarily closed and quarantined after bird flu killed 20 wild cats there, including ...

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

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

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

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

Birx added that her greatest fear is someone getting infected with bird flu during the regular seasonal flu, potentially ...

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

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

After surviving a tumultuous 2023, farmers had hoped 2024 would be kinder and a bit more profitable. A year later, farmers ...

The death of an Oregon house cat from bird flu and a pet food recall are raising questions about how people can protect their ...

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

Exclusive reporting reveals how the United States lost track of a virus that could cause the next pandemic. Problems like the ...