Equine Herpesvirus- Neurologic
Waukesha County, WI
Alert ID: 4764
January 29, 2026
Confirmed Case(s) - Official Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: 45; 
Number Euthanized: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 23; Gender: Gelding; Breed: Warmblood (WB); Onset of Clinical Signs: 1/26/2026; Clinical Signs: Acute onset neurologic signs; Confirmation Date: 1/28/2026; Horse Status: Euthanized; Vaccination Status: Vaccinated;

Comments: Affected equine had no recent travel history;