April 12, 2022 Highly pathogenic avian influenza (HPAI) in commercial and backyard poultry flocks has expanded to regions across the United States. Click on the links below to track the most recent HPAI confirmations: USDA APHIS 2022 Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard FlocksOpens a new window USDA APHIS 2022 Detections of Highly Pathogenic Avian Influenza …