A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S.

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

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

The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control ...

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

Detected on a duck farm in Merced County, California, it’s the first confirmed case of H5N9 in poultry in the US, according to the website of the World Organisation for Animal Health ...

A rare subtype of the bird flu H5N9 was found at a commercial duck farm in California, according to the Paris-based World ...

Health officials also detected a more common H5N1 strain of bird flu on the same farm which is located in Merced County, California. "This is the first confirmed case of HPAI H5N9 in poultry in ...

A farm in California where the new H5N9 strain was detected had to kill 119,000 birds after the more common H5N1 strain had been detected earlier. In New York, a farm on Long Island culled 100,000 ...