Breaking News
National Equine Health Stakeholder Call-October 2026
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.

Tolland County, CT
Outbreak Identifier: 5113
Alert ID: 2473
March 09, 2022
Confirmed Case(s) - Official Quarantine

State Veterinarian

Number Confirmed: 1;
Number Exposed: 15;
Facility Type: Private Facility;
Age: 14; Gender: Mare; Breed: Grade; Onset of Clinical Signs: 3/2/2022;
Clinical Signs: ocular and nasal discharge, decreased appetite, febrile, limb edema, progressed to recumbent with nystagmus; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: A horse at a private facility in Tolland County has tested positive for EHM and has been euthanized. For more information about EHM go to: EHM factsheet.