Following an investigation by the California Department of Food and Agriculture (CDFA) and rapid disease detection by California Animal Health and Food Safety Laboratory System (CAHFS), the U.S. Department of Agriculture´s National Veterinary Services Laboratories (NVSL) has confirmed highly pathogenic avian influenza (HPAI) in a backyard flock in Sutter County. Animal Disease Emergency Responders are working with the flock owner. Based on the current animal disease investigation and assessment, no movement restrictions will be placed in Sutter County.