Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

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.

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.

The Centers for Disease Control and Prevention (CDC) has confirmed the first severe case of bird flu in the United States, ...

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

As bird flu infections rise in dairy cattle and chickens, human cases are ticking up too, leaving many people to wonder ...

Avian influenza, also called avian flu or bird flu, is an illness that usually affects only birds. There are many different ...

These symptoms can be mild or severe. Most recent cases of bird flu in the U.S. have caused pink eye and mild respiratory symptoms. Have any people in Michigan been infected? Two people in ...

Two human cases of H5N1 avian flu have been confirmed in San Joaquin County, health officials reported Friday. The cases occurred in farmworkers with known exposure to infected animals ...