Outbreak Alerts: September 17, 2025 West Nile Virus in Salt Lake County, UT

Confirmed Case(s) – No Quarantine Source: Utah Department of Agriculture and Food Number Confirmed: 1; Number Exposed: 5; Number Euthanized: 1; Facility Type: Private Facility;  Horse 1: Age: 2; Gender: Mare; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 9/10/2025; Clinical Signs: found down, not prior signs noted; Horse Status: Euthanized; Vaccination Status: Unvaccinated; See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts

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