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.

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

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

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

"I feel like we should've learned our lesson from COVID, that just because we aren't testing doesn't mean the virus isn't there," Dr. Leana Wen said.

It was like watching a field hospital on an active battlefront treating hundreds of wounded soldiers,” a livestock veterinarian said.

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

There's a new concern that the virus could evolve to spread from human to human.

(CNN) — A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe ...