U.S. health officials announced that a new strain of avian flu, H5N9, was discovered on a duck farm in Merced County, California. They quarantined the farm and ...

H5N9 has the potential to be more virulent for birds and other farm animals, but it is important to know that it does not pose any greater risk to humans, says Rais Vohra, MD, professor at UC San ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA ...

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

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World ...

New strain of bird flu detected in California as H5N9 detected on a duck farm in Merced County, California, David Murray ...

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.

MERCED COUNTY, Calif. (KSEE/KGPE) – The country’s first case of H5N9 bird flu has been identified in Merced County, California, officials say. This H5N9 strain, which was identified earlier ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.