Breaking News
EDCC August 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.

West Nile Virus
Mountrail County, ND
Outbreak Identifier: 7625
Alert ID: 5200
September 03, 2026
Confirmed Case(s) - No Quarantine

State Veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Farm;
Search for County
Strangles
Marathon County, WI
Outbreak Identifier: 7624
Alert ID: 5199
September 03, 2026
Confirmed Case(s) - Voluntary Quarantine

Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1; 
Number Suspected: 3; 
Number Exposed: 2; 

Horse 1: 
Age: 16; Gender: Mare; Breed: Warmblood (WB); Confirmation Date: 8/7/2026; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
Search for County
Equine Rhinitis Viruses
Josephine County, OR
Outbreak Identifier: 7623
Alert ID: 5198
September 02, 2026
Confirmed Case(s) - Voluntary Quarantine

Attending veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: 1;
Search for County
Eastern Equine Encephalitis
Washington County, FL
Outbreak Identifier: 7622
Alert ID: 5197
September 02, 2026
Confirmed Case(s) - No Quarantine

Florida Department of Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Comments: This is the 7th confirmed case of EEE for Florida in 2026.;
Search for County
Strangles
Marion County, FL
Outbreak Identifier: 7621
Alert ID: 5196
September 02, 2026
Confirmed Case(s) - Official Quarantine

Florida Department of Agriculture and Consumer Services

Number Confirmed: 1; 
Number Exposed: 17; 
Facility Type: Private Facility; 
Comments: This is the 23rd confirmed case of strangles for Florida in 2026.;
Search for County
West Nile Virus
Duchesne County, UT
Outbreak Identifier: 7620
Alert ID: 5195
September 02, 2026
Confirmed Case(s) - No Quarantine

Utah Department of Agriculture and Food

Number Confirmed: 1; 
Number Exposed: Unknown;
Search for County
West Nile Virus
Duchesne County, UT
Outbreak Identifier: 7619
Alert ID: 5194
September 02, 2026
Confirmed Case(s) - No Quarantine

Utah Department of Agriculture and Food

Number Confirmed: 1; 
Number Exposed: Unknown;
Search for County
West Nile Virus
Weber County, UT
Outbreak Identifier: 7618
Alert ID: 5193
September 02, 2026
Confirmed Case(s) - No Quarantine

Utah Department of Agriculture and Food

Number Confirmed: 1; 
Number Exposed: Unknown;
Search for County
Strangles
Crook County, OR
Outbreak Identifier: 7617
Alert ID: 5192
September 02, 2026
Confirmed Case(s) - Official Quarantine

State Department of Agriculture

Number Confirmed: 2; 
Number Exposed: 2; 
Comments: Confirmed 8/27/26;
Search for County
Eastern Equine Encephalitis
Clare County, MI
Outbreak Identifier: 7616
Alert ID: 5191
September 01, 2026
Confirmed Case(s) - No Quarantine

Michigan Department of Agriculture

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: 3; 
Number Euthanized: 1; 

Horse 1: 
Age: 1; Gender: Stallion; Breed: Quarter Horse (QH); Onset of Clinical Signs: 8/13/2026; Clinical Signs: Unsteady, falls, trembling; Horse Status: Euthanized; Vaccination Status: Undervaccinated;
Search for County