In other words, there are lots of different H5N1 viruses and lots of different H5N9 viruses. In this case, H stands for hemagglutinin, a protein that is found on the surface of influenza type A ...

But reinfections suggest that the virus, called H5N1, could circulate on farms indefinitely, finding opportunities to evolve into a more dangerous form — a “high-risk” scenario, said Louise ...

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 ...

Dairy cows build a natural immunity to H5N1 after initial infection according to research conducted at the University of ...

As cases of H5N1 bird flu rise across the U.S., some of us may be more immune to the virus than others. Many people may have immune cells called "T cells" primed and ready to fight the "highly ...

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 ...

Mutations in one of the first human-isolated strains of H5N1 bird flu in the US were identified by the Texas Biomedical ...

The virus has been detected in dairy herds in three states over the past 30 days, according to USDA/APHIS. In 2024, the virus has caused 66 confirmed and 7 probable cases of influenza in people in ...

A total of 65 other people in the United States had contracted the H5N1 virus, though their symptoms had been relatively mild in comparison. While the CDC is still investigating the precise source ...

H5N1 Virus Outbreak News: The Centers for Disease Control and Prevention (CDC) has issued an emergency warning for the H5N1 avian influenza virus, also known as bird flu. The virus, which has ...

A cat in Washington County has tested positive for avian influenza, or bird flu, the Oregon Department of Agriculture announced Friday. There also have been a handful of bird flu detections in ...