Where was the California H5N9 outbreak? The USDA said the virus was detected at a "commercial duck meat" farm in California's Merced County, in an outbreak that started on Nov. 23, 2024.

H5N9 and H5N1 are two strains of bird flu that have recently sparked concern, especially after a significant outbreak at a California duck farm. Both strains are highly pathogenic, affecting ...

Rare bird flu strain found in California raises potential of wider spread. First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic ...

A new strain of bird flu — H5N9 — has been detected in California’s Merced County at a commercial duck operation. According to the World Organization for Animal Health — an international ...

H5N9 is a rare strain of avian influenza. H5N1 is the more common strain of the bird flu and has been responsible for most of the reported human cases. H5N1 was responsible for the first human ...

A new variant, H5N9, recently appeared in California. What should readers know? Yes, a new bird flu variant was discovered at a duck farm in late January. It has the potential to be more virulent for ...

A new bird flu (highly pathogenic avian influenza) outbreak has been discovered in California. The newly reported H5N9 strain was found Monday at a duck farm in Merced County, ...

The H5N9 strain was found at a California duck farm that has already lost nearly 119,000 birds to the more common H5N1 variant of the disease, which is formally known as Highly Pathogenic Avian ...

The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World Organization for Animal Health (WOAH) on Monday. Why It Matters.

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.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most ... Bird flu in California continues to threaten birds and cattle 34 people in the state ...