Breaking News
EDCC September 2026 Statistics
Learn More

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.



1 Week
2 Weeks
1 Month
2 Months
3 Months
3+ Months
No Results

The color range is based off of the selected End Date. If the End Date doesn't have a value it will use Today's Date.

Pigeon Fever
Deschutes County, OR
Outbreak Identifier: 7711
Alert ID: 5287
October 03, 2026
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown;
Search for County
Pigeon Fever
Harney County, OR
Outbreak Identifier: 7710
Alert ID: 5286
October 03, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 2; 
Number Exposed: 15;
Search for County
Pigeon Fever
Deschutes County, OR
Outbreak Identifier: 7709
Alert ID: 5285
October 03, 2026
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed: 1; 
Number Exposed: 1;
Search for County
Pigeon Fever
Deschutes County, OR
Outbreak Identifier: 7708
Alert ID: 5284
October 03, 2026
Suspected Case - Official Quarantine

State Department of Agriculture

Number Suspected: 1; 
Number Exposed: 1; 
Comments: Swab submitted for culture;
Search for County
West Nile Virus
Shelby County, TN
Outbreak Identifier: 7707
Alert ID: 5283
October 03, 2026
Confirmed Case(s) - No Quarantine

Tennessee Department of Agriculture

Number Confirmed: 2; 
Number Suspected: Unknown; 
Number Exposed: Unknown;
Search for County
West Nile Virus
Okeechobee County, FL
Outbreak Identifier: 7706
Alert ID: 5282
October 02, 2026
Confirmed Case(s) - No Quarantine

Florida Department of Agriculture and Consumer Services and attending veterianarian

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

Horse 1: 
Age: 4; Gender: Stallion; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/27/2026; Clinical Signs: Ataxia, somnolence, fever, facial twitching; Confirmation Date: 10/2/2026; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
Search for County
West Nile Virus
Grand County, CO
Outbreak Identifier: 7705
Alert ID: 5281
October 01, 2026
Confirmed Case(s) - No Quarantine

State Veterinarian's Office

Number Confirmed: 1; 
Number Exposed: 210; 
Number Euthanized: 1; 
Facility Type: Private Facility; 

Horse 1: 
Age: 24; Gender: Mare; Breed: Quarter Horse (QH); Usage: farm/ranch; Onset of Clinical Signs: 9/24/2026; Clinical Signs: Weakness Ataxia Teeth Grinding Abnormal Mentation Unable to Rise Fasciculation; Confirmation Date: 9/30/2026; Horse Status: Euthanized; Vaccination Status: Vaccinated;
Search for County
Strangles
Jackson County, KS
Outbreak Identifier: 7704
Alert ID: 5280
October 01, 2026
Confirmed Case(s) - Voluntary Quarantine

Attending Veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Farm;
Search for County
Strangles
Outagamie County, WI
Outbreak Identifier: 7703
Alert ID: 5279
October 01, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: 4; 
Facility Type: Private Facility; 

Horse 1: 
Age: 20; Gender: Gelding; Breed: Quarter Horse Cross; Onset of Clinical Signs: 9/18/2026; Clinical Signs: nasal discharge, mandibular lymph node abscess; Confirmation Date: 9/22/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Search for County
Equine Influenza
Polk County, WI
Outbreak Identifier: 7702
Alert ID: 5278
September 30, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Exposed: 4; 
Facility Type: Private Facility; 

Horse 1: 
Age: 10; Gender: Mare; Breed: Quarter Horse Cross; Onset of Clinical Signs: 9/22/2026; Clinical Signs: Fever, cough, bilateral mucopurulent nasal discharge; Confirmation Date: 9/25/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Search for County