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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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Strangles
Santa Rosa County, FL
Outbreak Identifier: 7515
Alert ID: 5085
July 24, 2026
Confirmed Case(s) - Official Quarantine

Florida Department of Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: 4; 
Facility Type: Private Facility; 
Comments: This is the 18th confirmed case of strangles for Florida in 2026.;
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Strangles
Ada County, ID
Outbreak Identifier: 7514
Alert ID: 5084
July 21, 2026
Confirmed Case(s) - Voluntary Quarantine

Attending Veterinarian

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

Horse 1: 
Age: 2; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 7/3/2026; Clinical Signs: Single submandibular abscess (open/draining), lethargy, reduced appetite; Confirmation Date: 7/8/2026; Horse Status: Recovered; Vaccination Status: Status Unknown;
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Strangles
Outagamie County, WI
Outbreak Identifier: 7513
Alert ID: 5083
July 21, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Suspected: 2; 
Facility Type: Private Facility; 

Horse 1: 
Age: 6; Gender: Mare; Breed: Miniature Horse; Onset of Clinical Signs: 6/9/2026; Confirmation Date: 6/16/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;
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Strangles
Brown County, WI
Outbreak Identifier: 7512
Alert ID: 5082
July 21, 2026
Suspected Case - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

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

Horse 1: 
Age: 16; Gender: Gelding; Breed: Belgian; Onset of Clinical Signs: 7/12/2026; Confirmation Date: 7/17/2026; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;

Comments: Horse came from a Southern WI rescue and arrived at new owner premises with symptoms of strangles.;
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Strangles
Waupaca County, WI
Outbreak Identifier: 7511
Alert ID: 5081
July 21, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 3; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 7/6/2026; Confirmation Date: 7/9/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;
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Strangles
Marathon County, WI
Outbreak Identifier: 7510
Alert ID: 5080
July 21, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Suspected: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 5; Gender: Gelding; Breed: Morgan; Onset of Clinical Signs: 6/20/2026; Clinical Signs: bilateral nasal discharge, open and draining mandibular lymph nodes, fever: 104 degrees F; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: Presumptive diagnosis based on veterinarian's experience. Horse came from a rescue in Southern WI and had these symptoms when it was picked up by owner.;
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Strangles
King County, WA
Outbreak Identifier: 7508
Alert ID: 5078
July 20, 2026
Confirmed Case(s) - Voluntary Quarantine

Asst State Veterinarian-WSDA

Number Confirmed: 1; 
Number Suspected: 5; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 
Comments: Horse imported from Colorado on July 12. Under veterinary care and recovering.;
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Strangles
St. Croix County, WI
Outbreak Identifier: 7506
Alert ID: 5075
July 17, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: Unknown; 

Horse 1: 
Age: 5; Gender: Mare; Breed: Quarter Horse (QH); Clinical Signs: Lethargy, fever; Confirmation Date: 7/7/2026; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
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Strangles
Ward County, ND
Outbreak Identifier: 7505
Alert ID: 5074
July 17, 2026
Confirmed Case(s) - No Quarantine

State Veterinarian

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: 1; 
Facility Type: Private Facility;
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Strangles
Allegan County, MI
Outbreak Identifier: 7499
Alert ID: 5068
July 06, 2026
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture

Number Confirmed: 1; 
Number Exposed: Unknown; 

Horse 1: 
Age: 13; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 6/22/2026; Clinical Signs: Nasal discharge and discharge from lymph nodes; Confirmation Date: 7/2/2026; Horse Status: Recovering; Vaccination Status: Status Unknown;
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