The latest development in the H5N2 strain of highly pathogenic avian influenza (HPAI) outbreak in the U.S. has been its discovery in a 3.8 million egg layer flock in Iowa.The latest development in the H5N2 strain of highly pathogenic avian influenza (HPAI) outbreak in the U.S. has been its discovery in a 3.8 million egg layer flock in Iowa. This is in addition to 26 new outbreaks in commercial turkey flocks and one mixed backyard flock. It brings the total number of states with HPAI outbreaks in turkey and egg layer flocks to 13. Other states with the H5N2 strain include: Minnesota, Wisconsin, South Dakota, North Dakota, Montana, Kansas, Arkansas, Oregon, Washington, Idaho and Missouri. Another HPAI strain, H5N8, has been found in Californi...