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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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Portage County, WI
Outbreak Identifier: 7613
Alert ID: 5188
September 01, 2026
Confirmed Case(s) - No Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Facility Type: Farm; 

Horse 1: 
Age: 4; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 8/18/2026; Clinical Signs: fever, ataxia, lateral recumbency, seizure-like activity; Confirmation Date: 8/27/2026; Horse Status: Euthanized; Vaccination Status: Unvaccinated;