(Oct. 28, 2026) - The Iowa Department of Agriculture and Land Stewardship and the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) have detected a case of Highly Pathogenic Avian Influenza (H5N1 HPAI) in a commercial turkey flock in Sac County. This case is Iowa’s eighth detection of H5N1 HPAI in 2026.