A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

Health officials in South Carolina are closely monitoring avian influenza activity amid the escalating outbreak in multiple ...

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 ...

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 ...

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 viruses from a severely ill patient in Louisiana revealed multiple mutations that may ...

A Canadian teen's severe bird flu infection has highlighted growing concerns about the H5N1 virus, commonly known as ...

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.