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

Municipality of Niagara, ON

Outbreak Identifier: 4624

Alert ID: 1998

March 19, 2021

Confirmed Case(s) - Official Quarantine

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Number Confirmed: 1;
Number Exposed: Not Reported;
Facility Type: Private Facility;
Age: Mature Gender: Gelding; Breed: Not Reported; Clinical Signs: Difficulty urinating, Incoordination of Hind Limbs- Severe, Progressing to Being Down with an Inability to Get Up; Confirmation Date: 3/16/2021; Horse Status: Euthanized; Vaccination Status: Status Unknown;
Notes: On March 16, 2021 the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of a confirmed case of equine herpes myeloencephalopathy (EHM) caused by equine herpesvirus-1 (EHV-1) infection at an equine facility in the Regional Municipality of Niagara. The facility is under veterinary supervision and the farm staff have implemented biosecurity procedures and movement restrictions. This is the fifth equine facility in the province this year that has had a confirmed EHV-1 infection causing neurologic disease.

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