The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

Genetic analysis of H5N1 bird flu virus that infected a Canadian teenager shows 'worrisome' mutations, new studies reveal.

Bird flu is, famously, a disease that infects birds. Yet in recent months, it’s been spreading to all kinds of other animals — including dairy cows. In the last month, government officials ...

The CDC just confirmed the first case of severe bird flu in the U.S, and California just declared a state of emergency.

The FDA announced Monday it has begun collecting samples of aged raw cow's milk cheese to test for bird flu as the U.S. battles an outbreak of the virus.

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

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

The FDA has begun testing cheese for bird flu as human cases of the virus continue to rise in the United States.

But while the current risk from our fuzzy feline friends is considered very low, public health officials nonetheless have ...

Another brand of raw pet food has been found to contain bird flu and has made at least five house cats presumably sick with the virus, health officials say.

At least 65 human cases of H5 bird flu have been confirmed this year, with the majority being detected in California.

Raw, unpasteurized milk is a known vector of bird flu when derived from infected cow herds. It can also contain pathogens such as E. coli, salmonella, and both Streptococcus and Staphylococcus ...