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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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Eastern Equine Encephalitis
Clark and Taylor County, WI
Outbreak Identifier: 4962
Alert ID: 2306
October 20, 2021
Confirmed Case(s) - No Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Clark County
Number Confirmed: 1;
Number Exposed: 10;
Facility Type: Farm;
Age: 2; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 10/7/2021;
Clinical Signs: Ataxia, Neurologic Signs, Recumbent, Weak; Confirmation Date: 10/15/2021; Horse Status: Deceased; Vaccination Status: Unvaccinated;
Notes: This is the ninth confirmed equine eastern equine encephalitis case for Wisconsin in 2021 and the first in Clark County. 

Taylor County
Number Confirmed: 1;
Number Exposed: 20;
Facility Type: Farm;
Age: 4; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 10/7/2021;
Clinical Signs: Ataxia, Neurologic Signs, Recumbent, Seizures; Confirmation Date: 10/18/2021; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: This is the tenth confirmed equine eastern equine encephalitis case in Wisconsin for 2021 and the first confirmed case in Taylor County. For more information on Eastern Equine Encephalitis go to the EEE factsheet. 
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