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Disease Alerts

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
Adams County, CO
Outbreak Identifier: 5322
Alert ID: 2702
August 26, 2022
Confirmed Case(s) - No Quarantine

State Veterinarian's Office

Number Confirmed: 1
Number Exposed: Unknown
Facility Type: Private Facility
Age: 9; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 8/18/2022
Clinical Signs: Weakness, ataxia, unable to rise, fasciculation. Noticed to be off on right hind earlier in the week (owner suspected an injury from falling in the mud), found down.; Confirmation Date: 8/23/2022; Horse Status: Recovering; Vaccination Status: Status Unknown
Comments: A 9 year old Quarter Horse gelding was confirmed positive for West Nile Virus (WNV) in Adams County, Colorado. For more information about WNV, go to: WNV Factsheet.
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