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.

United Counties of Leeds and Grenville, ON
Outbreak Identifier: 6435
Alert ID: 3913
September 03, 2024
Confirmed Case(s) - No Quarantine

OMAFA

Number Confirmed: 1; 
Number Exposed: Unknown; 

Horse 1: 
Age: 4; Breed: Donkey; Onset of Clinical Signs: 8/10/2024; Clinical Signs: This Jenny was normal on the morning of Aug 10 but then became recumbent, dull, unresponsive with increased heart and respiratory rates. Supportive treatment was attempted but she was euthanized later that day.; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Comments: To see past and present EEE cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal. To see past and present EEE cases in Canada, go to: https://cahss.ca/cahss-networks/equine and enter the equine dashboard.