Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

Avian flu first made the jump from birds into dairy cows on farms in a number of US states in spring 2024. Until now, all ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

Different blends of those two proteins alongside many other mutations elsewhere in the virus can affect how sick people and animals get and how it spreads. H5N1 has been the dominant grouping of ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in herds since last year.

Avian influenza, commonly known as bird flu, is a viral infection that spreads in birds. There are many subtypes of avian flu ...

A surge in H5N1 virus cases among pets, particularly cats, has raised alarms about raw pet food safety. The virus, devastating bird populations nationwide since 2022, has infected cats through ...

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 ...