A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

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.

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.

In this prospective observational study, immune protection against H5N1 and H7N9 avian influenza virus (AIV) was almost absent prior to vaccination. However, seasonal influenza vaccines induced a ...

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide ... including avian influenza A(H5N1), have gained the ability to spread easily and sustainably among ...

Some of them most likely got sick by handling virus-laden birds. In March, the Department of Agriculture discovered cows that were also infected with H5N1, and that the animals could pass the ...

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 ...

USDA’s Food Safety and Inspection Service (FSIS) announced Friday that the H5N1 virus was discovered in meat from a single cull dairy cow as part of testing of 96 dairy cows. APHIS said the meat ...

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 ...

Amesh Adalja, an infectious disease and senior scholar at Johns Hopkins Center for Health Security, told Salon H5N1 and other avian influenza viruses are a type A influenza virus. "We do need ...

Experts have warned that the possibility of mutations in the virus could enable person-to-person transmission. "While the H5N1 virus is currently thought to only transmit from animals to humans ...

An analysis of individuals with laboratory-confirmed highly pathogenic A(H5N1) virus infections in the United States reveals conjunctivitis as the primary symptom affecting those exposed to ...