No evidence was found of the highly pathogenic H5N1 strain, which caused mortality in parts of Asia, Europe and Africa. There was no evidence that this strain occurred in North American wild birds.

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to this point in the ongoing dairy outbreak. It's the same strain that killed ...

A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...

Veterinary and public health officials are urging cat owners to remain vigilant as cases of Highly Pathogenic Avian Influenza, or H5N1, commonly known as bird flu, have been detected in domestic cats.

A version of the H5N1 bird flu virus that killed a person in Louisiana and severely sickened a teenager in Canada has now been detected in dairy herds in Nevada. The version, known as D1.1 ...

The U.S. Department of Agriculture announced Wednesday that four dairy herds in Nevada recently found to be infected with H5N1 bird flu were in fact infected with a different strain of the virus ...

That could mean the H5N1 infection might become endemic, or continuously circulating, in birds in North America, and that may eventually spell trouble for people, too. “In my opinion, it is now ...

The USDA has determined that pasteurized milk will not transmit this H5N1 virus to humans. Raw milk sales are legal in Nevada, but there are no farms certified to sell it, according to the department.

The strain currently impacting birds is H5N1, and it's the most widespread outbreak the state has seen since it arrived in 2021. "Evidence suggests that HPAI is widespread in Massachusetts and is ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two sets of infections — and that it could continue to do so.

A total of 67 human cases of the H5N1 virus have been reported in the U.S. as of Feb. 3, according to the Centers of Disease Control and Prevention. The only U.S. death associated with the virus ...

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that might lead to human-to-human spread, that "train has already left the station," warns one ...