A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

The preliminary results will have to be confirmed by the National Veterinary Service Laboratories, which could take well into ...

The CDC detected a change in the strain that would allow the virus to more easily travel through human airways.

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans ...

A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says ...

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...

The next day, they confirmed the presence of an H5N1 strain of highly pathogenic avian influenza (HPAI), and more deaths followed in the flock of two dozen “non-poultry” birds. (Officials did ...

HPAI is considered low risk to humans, the agency said, and there have been no human cases in New England during the current ...

Here's what the latest research is saying about how it is spreading and how to keep yourself and your pets safe.

National Veterinary Services Laboratories (NVSL) and the Oregon Veterinary Diagnostic Laboratory (ODVL) at Oregon State ...

Nationwide Recall of Pet Food Due to H5N1 Strain of the Highly Pathogenic Avian Influenza (Bird Flu) Contamination After Cat Dies ...

The UK government has ordered five million doses of an avian influenza vaccine in case it starts being spread by people as ...