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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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Eastern Equine Encephalitis
Clark, Price, Oneida and Langlade County, WI
Alert ID: 1814
September 17, 2020

Wisconsin Department of Agriculture, Trade and Consumer Protection

Clark County
Number Confirmed: 1;
Age: 2; Gender: Gelding; Breed: Standardbred; Onset of Clinical Signs: 9/8/2020;
Clinical Signs: neurologic, Progressing to recumbency; Confirmation Date: 9/11/2020; Horse Status: Deceased; Vaccination Status: Unvaccinated;
Notes: This is the 11th confirmed equine EEE case in WI for 2020 First confirmed case in Clark County ;

Price County
Number Confirmed: 1;
Age: 2; Gender: Mare; Breed: Gypsy; Onset of Clinical Signs: 9/2/2020;
Clinical Signs: Ataxia, Acute onset Depression, Muscle Fasciculations of head and neck; Confirmation Date: 9/11/2020; Horse Status: Euthanized; Vaccination Status: Undervaccinated;
Notes: This is the 12th confirmed equine EEE case in WI for 2020. The first confirmed case for Price County.;

Oneida County
Number Confirmed: 1;
Age: 2; Gender: Mare; Breed: Paint; Onset of Clinical Signs: 9/7/2020;
Clinical Signs: Ataxia, Depression, Recumbency, Anisocoria; Confirmation Date: 9/11/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: This is 13th confirmed equine EEE case in WI for 2020 and the first confirmed case in Oneida County. ;

Langlade County
Number Confirmed: 1;
Age: 3; Gender: Mare; Breed: Paint; Onset of Clinical Signs: 9/7/2020;
Clinical Signs: Anisocoria, Recumbency, Febrile, per-acute onset ataxia; Confirmation Date: 9/11/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: This is the 14th confirmed equine EEE case in WI for 2020 and the first confirmed case in Langlade County. ;

Price County
Number Confirmed: 1;
Age: 9; Gender: Gelding; Breed: POA; Onset of Clinical Signs: 8/30/2020;
Clinical Signs: Anisocoria, Febrile, Muscle Fasciculations of head and neck, Acute onset Ataxia, Decreased response to trunk stimulation; Confirmation Date: 9/16/2020; Horse Status: Deceased; Vaccination Status: Unvaccinated;
Notes: This is 15th confirmed equine EEE case in WI for 2020 and the second confirmed case in Price County. For more information about EEE go to https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EEE%20Cobranded.pdf;
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