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

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.

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

Public health officials reported the first case of bird flu in a person in Stanislaus County this year. Not everyone enjoyed ...

Health officials are alarmed by a mutated H5N1 bird flu virus in a Louisiana patient, raising concerns about potential human ...

According to the CDC tracker, there have been 66 confirmed cases of bird flu reported in humans since the start of the ...

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 Centers for Disease Control and Prevention (CDC) has identified mutations in the the first severe bird flu case in the US ...

The latest government data shows that cases of a fast-spreading stomach bug are surging in parts of the United States.

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