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 ...

Health officials have warned against feeding pets raw food. The risk is particularly acute as bird flu spreads in California, where 2 pet cats died.

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

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

The death of an Oregon house cat and a pet food recall are raising questions about the ongoing outbreak of bird flu and how ...

The call to authorize a vaccine comes after the CDC announced that a person in Louisiana was hospitalized with the country's first known case of severe illness caused by the virus earlier this month.

So far, there are no reports of the virus in Oregon's dairy cattle or milk. But a pig did get it, and a cat died.

As the H5N1 avian influenza outbreak nears its fourth year, a new variant, clade 2.3.4.4b, has raised alarms due to its potential to infect mammals and mutate into a form transmissible between humans.

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans ...