Outbreak Alerts: August 05, 2025 – West Nile Virus – Las Animas County, CO
Source: State Veterinarian’s Office Confirmed Case(s) – No Quarantine Number Confirmed: 1Number Suspected: 1Number Exposed: 3Facility Type: Farm Horse 1: Age: 6; Gender: Mare; Breed: Standardbred; Usage: Pleasure Riding; Onset of Clinical Signs: 7/24/2025; Clinical Signs: Weakness Ataxia; Confirmation Date: 7/29/2025; Horse Status: Deceased; Vaccination Status: Unvaccinated For more information about West Nile Virus go to: WNV factsheet. See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts

