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

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

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

H5N9 and H5N1 are two strains of bird flu that have recently sparked concern, especially after a significant outbreak at a ...

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

This week, the World Organization for Animal Health reported that it had been notified by the USDA that a November outbreak ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

Health officials have detected a new strain of bird flu, the H5N9, raising concerns about potential changes in the virus.

The government is investigating a rare strain of avian flu, H5N9, detected on a duck farm in central California, according to ...