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 ...

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.

All year, I’ve been keeping tabs on the H5N1 avian flu outbreak in dairy cattle and birds in the United States. As a ...

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.

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

Health experts have been sounding the alarm about the potential pandemic threat posed by bird flu, which has been showing signs of mutating as it spreads among cows and infects people in the United ...

Scientists are concerned that the H5N1 virus could set off another human pandemic. But it is already ... The culprit: a bird flu virus, known as H5N1, that had recently arrived in North America.

Bird flu can infect horses without causing any symptoms ... widely seen as the most likely cause of the next pandemic. Scientists at the University of Glasgow found antibodies to the virus ...

PARIS – Health experts have been sounding the alarm about the potential pandemic threat posed by bird flu, which has been showing signs of mutating as it spreads among cows and infects people in ...