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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.



Waupaca County, WI
Outbreak Identifier: 7241
Alert ID: 4769
December 01, 2025
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: 13; 

Horse 1: 
Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Onset of Clinical Signs: 11/14/2025; Confirmation Date: 11/20/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Lancaster County, NE
Outbreak Identifier: 7209
Alert ID: 4735
November 21, 2025
Confirmed Case(s) - No Quarantine

Attending Veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 16; Gender: Gelding; Breed: Morgan; Usage: Trail Riding; Onset of Clinical Signs: 11/7/2025; Clinical Signs: Snotty nose, cough; Confirmation Date: 11/13/2025; Horse Status: Recovering; Vaccination Status: Status Unknown;

Ransom County, ND
Outbreak Identifier: 7185
Alert ID: 4709
November 12, 2025
Confirmed Case(s) - No Quarantine

State Veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown;

Beaverhead County, MT
Outbreak Identifier: 7168
Alert ID: 4692
October 31, 2025
Confirmed Case(s) - Voluntary Quarantine

Attending Veterinarian

Number Confirmed: 4; 
Number Suspected: 10; 
Number Exposed: 75;

Comments: This is the same location as Alert ID: 4691. Five horses are dually infected with Equine Herpesvirus-Respiratory.

Skamania County, WA
Outbreak Identifier: 7103
Alert ID: 4622
September 26, 2025
Confirmed Case(s) - Voluntary Quarantine

State Veterinarian Office and Attending Veterinarian

Number Confirmed: 1; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 
Comments: Under private veterinary care and secluded on the facility;