Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the ...

Genetic sequences of H5N1 bird flu viruses collected from a person in Louisiana who became severely ill show signs of development of several mutations thought to affect the virus’ ability to ...

Officials say the bird flu has also killed 20 big cats, including a tiger, at a sanctuary in Washington State. NBC News' David Noriega reports.Dec. 27, 2024 ...

Trumpeter swans and Canada geese have been found dead in Sandusky County and are being tested for bird flu. The Ohio Department of Natural Resources is recommending precautions. The Wildlife ...

The spread of the bird flu among humans and other mammals in the United States has sparked some concern among public health experts in recent weeks, though U.S. officials say the risk it currently ...

The CDC has confirmed 66 human cases of bird flu in the U.S., but no human-to-human transmission has been detected. The outbreak has severely impacted the American egg industry, leading to near ...

The H5N1 bird flu, or highly pathogenic avian influenza, has been detected in a backyard flock in Vermont, according to state agriculture officials. Bird flu is generally low-risk to humans ...

The death of an Oregon house cat and a pet food recall are raising questions about the ongoing outbreak of bird flu and how people can protect their pets. Bird flu has been spreading for years in ...