where many horses are likely to be exposed to H5N1 infected animals in agricultural settings. Additionally, horses are already known to carry equine flu – H3N8 – and researchers say that now ...

The U.S. hasn’t been able to control the spread of the H5N1 bird flu. And now, there’s been a reported outbreak in the U.S. of another strain of avian influenza, H5N9. This H5N9 outbreak ...

Scientists also know a lot more about H5N1 bird flu than they did the SARS-CoV-2 virus, and the US has been preparing for the threat of a new flu outbreak for a long time. Still, the virus is ...

H5N1 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus spreading in wild birds, poultry flocks, dairy cattle ...

When the H5N1 bird flu virus jumps from animals into people, it hits a dead end. Missing the key genes that would help it infect humans, it isn’t causing a pandemic. But if the virus suddenly ...

A cat in Oregon died after eating raw pet food confirmed to be contaminated with H5N1, prompting recall of a Northwest Naturals’ product. McDonald’s Australia has cut breakfast service by 1-1/ ...

Influenza A(H5N1) is one of several "avian influenza viruses ... Two subtypes of EIV have emerged, including 2 H3N8 strains and 1 H7N7 strain. All EIVs are thought to have originated from AIVs ...

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 ...

A child in California is presumed to have H5N1 bird flu, according to the San Francisco Department of Public Health (SFDPH). As of Dec. 23, there had been 36 confirmed human cases of bird flu in ...

A Louisiana resident has died after being hospitalized with bird flu, the state's health department announced Monday, marking the first U.S. death from the H5N1 virus. "The patient was over the ...