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

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

Northwest Naturals is recalling a batch of its pet food after a cat died from bird flu, which was found in the cat food. Bird ...

Authorities and Northwest Naturals have strongly advised consumers who purchased the recalled product to discard it ...

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

Northwest Naturals says it is recalling one batch of its two-pound Feline Turkey Recipe raw frozen pet food after it tested positive for highly pathogenic avian influenza virus.

Northwest Naturals, an Oregon-based pet food company, is recalling a batch of its two pound Feline Turkey Recipe raw frozen ...

The manufacturer of a popular pet food brand has issued a recall of its raw and frozen cat food, according to the Washington ...

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 ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

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.

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