Breaking News
National Equine Health Stakeholder Call-October 2026
Learn More

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.



1 Week
2 Weeks
1 Month
2 Months
3 Months
3+ Months
No Results

The color range is based off of the selected End Date. If the End Date doesn't have a value it will use Today's Date.

Chippewa, Rusk, Taylor Counties, WI
Outbreak Identifier: 4399
Alert ID: 1800
September 07, 2020
Confirmed Case(s) - No Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Services

Taylor County

Number Confirmed: 1;
Age: 2; Gender: Stallion; Breed: Standardbred; Onset of Clinical Signs: 8/20/2020; Clinical Signs: Fever, Recumbency, Staggering, tachycardia, decreased intestinal sounds; Confirmation Date: 8/28/2020; Horse Status: Deceased; Vaccination Status: Unvaccinated; Notes: 7th confirmed equine EEE case in WI for 2020 First confirmed case in Taylor County;

 

Chippewa County

Number Confirmed: 2;
-Age: 8; Gender: Mare; Breed: Belgian; Onset of Clinical Signs: 8/13/2020; Clinical Signs: Fever, Neurologic Signs, Off Feed, Recumbent; Confirmation Date: 9/2/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated; 

-Age: 2; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 8/20/2020; Clinical Signs: Ataxia, Fever, Off Feed; Confirmation Date: 9/2/2020; Horse Status: Recovering; Vaccination Status: Status Unknown;

Notes: 8th and 9th confirmed equine EEE case in WI for 2020 Two equines from the same premises in Chippewa County. One horse (the Belgian) was euthanized and the other (the Standardbred) recovered. 3rd and 4th confirmed cases from Chippewa County.;

 

Rusk County

Number Confirmed: 1;
Age: 6; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 8/31/2020; Clinical Signs: Fever, neurologic, Recumbency; Confirmation Date: 9/4/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated; Notes: 10th confirmed equine EEE case in WI for 2020 First confirmed case in Rusk County Public health has confirmed 2 human cases of EEE from WI: one in Eau Claire County and one in Chippewa County (deceased);