Outbreak Alert: September 8, 2021 – West Nile Virus Lemhi & Ada Counties, ID

Lemhi County:

Idaho Department of Agriculture

Number Confirmed: 1;
Facility Type: Farm;
Age: 8; Gender: Mare; Breed: Not Reported; Onset of Clinical Signs: 8/27/2021
Clinical Signs: Ataxia, incoordination, Muscle Fasciculations, Masseter fasciculations; Confirmation Date: Not Reported; Horse Status: Recovering; Vaccination Status: Undervaccinated;
Notes: Horse had previously been vaccinated, but it has been at least several years since last vaccination. For more information go to: WNV factsheet


Ada County:

Idaho Department of Agriculture

Number Confirmed: 1;
Facility Type: Farm;
Age: Yearling; Gender: Gelding; Onset of Clinical Signs: 9/3/2021; Clinical Signs: Ataxia, Difficulty eating, Muscle Fasciculations, Poor balance; Confirmation Date: 9/8/2021; Horse Status: Recovering; Vaccination Status: Not Reported;
Notes: For more information go to:  WNV factsheet

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