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.

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 ...

Teen's recovery from H5N1 bird flu raises concerns after genetic mutations suggest virus could become more dangerous to ...

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

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.

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.

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