Equine Surveillance in Canada

Creating awareness of equine health in Canada

Disease Alerts

Disease Date Location Status Description
Equine Herpes Myeloencephalopathy (EHV-1) June 3, 2020 Durham County Isolation and Treatment Underway

On June 3, 2020, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of a confirmed case of equine herpes myeloencephalopathy (EHM) due to equine herpes virus-1 (EHV-1) at a boarding facility in Durham County.

The 18 year-old, quarter horse-cross gelding was examined by the attending veterinarian for urinary incontinence. Results of laboratory testing confirmed the presence of EHV-1. The horse is being isolated and treated at an equine referral hospital.

The farm manager along with the attending veterinarian have restricted movement for horses and people on and off the property and instituted strict biosecurity procedures including twice daily temperature recordings for all horses on the property.

There is no link between this facility and the racetrack in the City of Toronto and the farm in Dufferin County for which previous advisories were issued.

EHV-1 does not pose a threat to public health or food safety.

EHV-1 infection is immediately notifiable by laboratories to OMAFRA under the Animal Health Act. Attending veterinarians concerned about potential cases of EHV-1 infection may contact an OMAFRA veterinarian through the Agricultural Information Contact Centre at 1-877-424-1300