A case of Equine Herpesvirus-Neurologic was reported in Northumberland County, ON on April 09, 2021 to the Ontario Ministry of Agriculture and Food (OMAFRA). The horse is a 24-year-old draft-cross mare at a boarding facility whose onset of clinical signs – ataxia and difficulty urinating – began on March 31. The affected horse is being treated and is recovering at a referral hospital. No other horses on the property are showing clinical signs.

A case of Equine Herpesvirus-Abortion was also reported to OMAFRA on April 7, occurring at a farm in the Regional Municipality of York, ON. There, a 23-year-old mare aborted her foal at 315 days of gestation. The affected mare has been isolated on the property; no other mares are currently affected.

In both cases, under veterinary supervision the facility managers have implemented biosecurity protocols and animal movement restrictions.

For more info on Equine Herpesvirus Myeloencephalopathy, click here.