Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

L.A. County public health officials are reupping their warning to pet owners: Do not feed pets raw food. More cats have been ...

A 13-year-old Canadian girl recovered after being hospitalized in critical condition with H5N1 avian influenza, researchers ...

The teams published their reports today in the New England Journal of Medicine.

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

While dogs are not common carriers of bird flu, they can become infected, especially if exposed to sick or dead birds.

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

A patient in Louisiana was hospitalized after a recent exposure with the CDC issuing guidance to those most at-risk of infection.

The first 'severe' human case of bird flu has many around the country concerned, but those in New Jersey may not need to feel ...

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans around the U.S. Nearly 700 herds in the state — or 71 percent of all herds — ...

Los Angeles County health officials have identified three more cats with presumptive H5N1; the source of the virus has not ...