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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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Umatilla County, OR
Outbreak Identifier: 4876
Alert ID: 2232
September 11, 2021
Confirmed Case(s) - No Quarantine

Oregon Department of Agriculture

Number Confirmed: 1;
Number Exposed: 4;
Facility Type: Private Facility;
Age: 2; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/5/2021;
Clinical Signs: Hind limb ataxia; Confirmation Date: 9/10/2021; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Notes: For more information go to:  WNV factsheet