On Mar. 17, 2022, the U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service confirmed (APHIS) the presence of highly pathogenic avian influenza (HPAI) in a non-commercial backyard flock (non-poultry) in Rockingham County, New Hampshire.

APHIS worked closely with state animal health officials in New Hampshire on a joint incident response. State officials quarantined the affected premises. Birds from the flock did not enter the food system.