The Louisiana patient was hospitalized with a severe case of bird flu in the first death in the U.S. caused by the H5N1 virus ...

A bird flu death was not unexpected, virus experts said. More than 460 people have died from versions of the H5N1 bird flu virus ... The origin of the Louisiana person's infection was not ...

However, a patient recently made headlines in Louisiana ... H5N1 more opportunities to adapt. As a study found earlier in December, it will only take one single mutation to make bird flu much ...

"CDC is saddened by Louisiana’s report that a person previously hospitalized with severe avian influenza A(H5N1) illness ("H5N1 bird flu") has passed away," the agency said in a statement.

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type ...

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.

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

A case of the bird flu (also known avian flu or H5N1) involving gamebirds has been confirmed in Spartanburg. The virus was ...