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

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

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

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between ...

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...

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

While dogs are not common carriers of bird flu, they can become infected, especially if exposed to sick or dead birds.

A person in Louisiana contracted the nation's first serious human case of avian influenza, or bird flu, and was admitted to ...

Northwest Naturals issued a voluntary recall for a batch of pet food after a cat died of bird flu in Oregon, officials said.

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, ...