A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been ...

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

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, California ...

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

Several cases of the bird flu in humans have been reported in California's Central Valley in 2024. This Q&A explores how the virus spreads, how to prevent infection and whether this is something to be ...

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.

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been ...

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.