Outbreaks | Equine Disease Communication Center

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.

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Equine Herpesvirus- Neurologic

Regional Municipality of York, ON

Outbreak Identifier: 6052

Alert ID: 3501

November 23, 2023

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFRA

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 1;
Facility Type: Private Facility;

Horse 1:
Breed: Pony; Onset of Clinical Signs: 11/20/2023; Clinical Signs: This pony was euthanized on November 20 with acute neurologic signs (ataxia that progressed with significant vestibular signs). Two weeks prior a mare on the property had been treated for a recurrent fever.; Confirmation Date: 11/21/2023; Horse Status: Euthanized;
Comments: The farm owner is implementing voluntary movement restrictions as well as biosecurity measures under veterinary supervision.;

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