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 ...

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

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.

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

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

CDC officials confirmed earlier this week that a second San Francisco child contracted bird flu last week, and earlier this ...

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