On Mar. 31, 2023, the Oregon Department of Agriculture and the United States Department of Agricultureﾒs Animal and Plant Health Inspection Service confirmed the presence of highly pathogenic avian influenza in non-commercial backyard flock (non-poultry) in Klamath County.

This was the first HPAI confirmation in Klamath County. The affected flock included approximately 25 birds including ducks, chickens and guinea fowl.