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.

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

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

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.

The CDC said the patient’s sample showed mutations in the hemagglutinin (HA) gene, the part of the virus that plays a key ...

The CDC reportedly found potentially troublesome bird flu mutations in Louisiana patient. This Louisiana case of bird flu marks the first instance of severe illness that's linked to the virus within ...

The fate of a Canadian teenager who was infected with H5N1 bird flu in early November, and subsequently admitted to an intensive care unit, has finally been revealed: She has fully recovered. But ...

The bird flu that is circulating around the world is suspected of having killing about 200 snow geese in the Lehigh Valley, spreading to a species that is migrating through the region by the thousands ...

The CDC said that testing of a person with a severe case of bird flu indicated the virus had mutated but the risk remains low ...

The patient was likely infected after having contact with sick and dead birds in a backyard flock, the US Centers for Disease Control and Prevention said earlier this month.

Bird flu cases are on the rise in the U.S., and the CDC is on high alert. With 66 confirmed human cases so far, officials are ...