On 30 October, 2026, the U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of highly pathogenic avian influenza (HPAI) in WOAH Non-Poultry in Yakima(10 birds affected) county, Washington.

On 30 October 2026, the U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of highly pathogenic avian influenza (HPAI) H5N1 in 6 dairy herds (special ID: WA 034, WA 037, WA 038, WA 039, WA 040, WA 041) in Yakima county, Washington.