Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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West Nile Virus

Weld County, CO

Outbreak Identifier: 5300

Alert ID: 2680

August 09, 2022

Confirmed Case(s) - No Quarantine

Source: State Veterinarian's Office

Number Confirmed: 1;
Facility Type: Training Facility;
Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 7/20/2022;
Clinical Signs: Weakness Ataxia History Progressive neurologic symptoms over past 2-3 weeks; first observed occasional stumbling which progressed to intermittent ataxic/buckling legs when standing and walking. Confirmation Date: 8/4/2022; Horse Status: Recovering; Vaccination Status: Status Unknown;
Notes: A horse in Weld County has tested positive for West Nile Virus. For more information about West Nile Virus go to: West Nile Virus factsheet.

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