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H5N1 Bird Flu Detections across the United States in Backyard and Commercial Poultry

Summary report 

Highly pathogenic avian influenza (HPAI) A(H5) viruses have been detected in U.S. wild aquatic birds, commercial poultry and backyard or hobbyist flocks beginning in January 2022. The latest H5N1 bird flu detections in backyard and commercial poultry by state and county are provided on this webpage. This webpage will be updated daily after 4 p.m. to reflect any new data.