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.

Middlesex County, ON
Outbreak Identifier: 5668
Alert ID: 3093
July 11, 2023
Confirmed Case(s) - Voluntary Quarantine

OMAFRA

Number Confirmed: 6; 
Number Exposed: Unknown; 
Clinical Signs: Two new horses were brought onto the property two weeks prior to clinical signs developing. They were not quarantined and were placed into a small herd of horses. The first horse developed a fever and hives before exhibiting classic signs of strangles. 5 more horses who were in direct contact have also developed classic signs of strangles. The group of affected horses have been isolated. Rectal temperatures in the remaining horses in the exposed group are being monitored and recorded .; Confirmation Date: 7/4/2023; 
Comments: The facility is under veterinary supervision with movement restrictions and biosecurity protocols in place.;

For more information, go to https://www.equinediseasecc.org/strangles