West Nile Virus
Grand County, CO
Alert ID: 5193
October 01, 2026
Confirmed Case(s) - No Quarantine
State Veterinarian's Office
Number Confirmed: 1;
Number Exposed: 210;
Number Euthanized: 1;
Facility Type: Private Facility;
Horse 1:
Age: 24; Gender: Mare; Breed: Quarter Horse (QH); Usage: farm/ranch; Onset of Clinical Signs: 9/24/2026; Clinical Signs: Weakness Ataxia Teeth Grinding Abnormal Mentation Unable to Rise Fasciculation; Confirmation Date: 9/30/2026; Horse Status: Euthanized; Vaccination Status: Vaccinated;