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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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Waukesha County, WI
Outbreak Identifier: 4852
Type: EHV-1
Alert ID: 4914
March 11, 2026
Quarantine Released

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Suspected: 3; 
Number Exposed: 38; 
Number Euthanized: 1; 
Comments: Quarantine released, no further neurologic cases detected after index case.;

Previous Alert: 4852