Outbreak Alert: September 15, 2021 – West Nile Virus in Malheur County, OR

State Veterinarian’s Office

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 7;
Facility Type: Private Facility;

Age: 2; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/8/2021;
Clinical Signs: Acute onset Ataxia, Facial sensitivity/reactivity; Confirmation Date: 9/15/2021; Horse Status: Recovering; Vaccination Status: Status Unknown;

Age: 3; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/7/2021;
Clinical Signs: lethargy, Staggering, Weakness; Confirmation Date: 9/15/2021; Horse Status: Recovering; Vaccination Status: Status Unknown

Notes: For more information go to: WNV factsheet

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