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 ...

A patient who'd been hospitalized in Louisiana with severe illness from H5N1 bird flu has died — the first human death from this type of avian influenza in the U.S., the Louisiana Department 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 ...

On Friday, the San Francisco Department of Public Health reported a presumptive case of H5N1 bird flu in a child, which the CDC hasn't confirmed yet. The patient experienced symptoms of fever and ...

H5N1 bird flu is spreading among birds but it's not spreading easily between humans. With reports of the first human death from bird flu in the US, some Americans are feeling an uncomfortable ...