The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

Humans infected with bird flu display a wide range of symptoms, from pneumonia requiring hospitalization to no symptoms at ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

Aug. 19, 2024 — The avian influenza virus needs to mutate to cross the species barrier and to infect and replicate within mammalian cells. Scientists have now deciphered the structure of the ...

A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

President-elect Donald Trump must contend with the H5N1 bird flu virus circulating among livestock, which experts fear could ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

Or jump straight to: Bird flu, or avian flu, has existed among different bird ... To understand the risk of H5N1, researchers are working to understand the molecular structure of the virus, the way it ...

The virus's impact extends far beyond farms. Across North America, it has caused deaths among wild animals in startling ...

Outdoor chicken flocks are at greater risk of bird flu, but cage-free laws don't require chickens to be outdoors, and most commercial cage-free flocks stay inside.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...