Preliminary Testing Confirms Highly Pathogenic Avian Influenza in Caroline County ANNAPOLIS, MD  (February 26, 2026)—  The Maryland Department of Agriculture has announced a presumptive positive case of H5 Avian Influenza on a commercial broiler farm in Caroline County. This is the third case of Highly Pathogenic Avian Influenza (HPAI) on a commercial poultry farm in … Continue reading NEWS RELEASE: Preliminary Testing Confirms Highly Pathogenic Avian Influenza in Caroline County