Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

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

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

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

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.

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.

A patient in Louisiana became severely ill after contracting Highly Pathogenic Avian Influenza (HPAI), the US Centers for ...

The Centers for Disease Control and Prevention said Thursday that a single severe case of bird flu detected in a Louisiana man shows a rare mutation of the virus.

As we enter 2025, Dr. Theresa Tam has her eye on H5N1 bird flu, an emerging virus that had its first human case in Canada ...

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

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