While cases of bird flu in humans have steadily climbed since last fall, health officials maintain the risk to humans is low ...

“For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu ...

Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.

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

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

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.

A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

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

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 ...

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