In late January, scientists at the World Organization for Animal Health (WOAH) reported the first cases of H5N9 avian influenza in the U.S., on a duck farm in California. The latest strain isn’t a surprise,

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

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry