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

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

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

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 ...

In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another ...

Genetic analysis of H5N1 bird flu viruses from a severely ill patient in Louisiana revealed multiple mutations that may ...

The H5N1 bird flu virus has been found in samples of Monarch Raw Pet Food, and a cat that ate the food is confirmed to have been infected.

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Officials say 40 to 50 snow geese, including some at a southern Delaware wildfire refuge, have tested positive for avian influenza.

A subtype of influenza that is likely to be bird flu has been detected in three Arizona cities according to wastewater sampling.