Utah Mink Farm Experiences First Documented HPAI Outbreak in U.S. Captive Mink, Raising Public Health Concerns
New documents obtained by the Animal Welfare Institute (AWI) from the Utah Department of Agriculture and Food (UDAF) confirm the first documented outbreak of highly pathogenic avian influenza (HPAI), or H5N1, in captive mink in the United States. The outbreak occurred on a Utah mink farm in August, with animals 'dying slowly' and the farm expecting to lose 80% of its mink. The records suggest that neither UDAF nor the U.S. Department of Agriculture (USDA) had a response plan for such an event. Important biosecurity measures, such as placing the farm under quarantine, were not implemented. UDAF officials expressed uncertainty about protocol and decided against quarantine, reasoning that 'nothing live leaves the [farm],' a rationale that overlooks risks from farm workers, equipment, wild animals, and potential escapes. As of September 4, the USDA had not urgently responded to UDAF's request for emergency vaccination authorization.