A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.

The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

The virus has been detected in dairy herds in three states over the past 30 days, according to USDA/APHIS ... as vaccines and therapies that eliminate or alleviate disease—against H5N1 and ...

The US just recorded the first death from severe bird flu. Experts say it's not too early, or unreasonable, to prepare for the worst.

Sec. Mike Naig says the U.S. government is using what he describes as a three-legged stool approach to address the virus in ...

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

Mutations in one of the first human-isolated strains of H5N1 bird flu in the US were identified by the Texas Biomedical ...

Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of ...

The United States has confirmed its first case of highly pathogenic H5N9 avian influenza in poultry, following an outbreak at ...

Highly pathogenic avian influenza H5N9 has been identified in U.S. poultry for the first time, after outbreak at a commercial ...