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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.



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Equine Herpesvirus- Neurologic
Ontario, Canada
Alert ID: 1225
April 10, 2019

Ontario Ministry of Agriculture, Food, and Rural Affairs

Location: Municipality of York, Ontario, Canada

Number Affected: 1;
Age: Senior; Gender: Gelding; 
Clinical Signs: Neurologic Signs- Severe; Confirmation Date: 4/2/2019; Horse Status: Euthanized; Vaccination Status: Not Reported;
Notes: On April 2, 2019 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 facility with both competition and resident horses in the Regional Municipality of York. An unvaccinated senior gelding was euthanized after developing sudden and severe neurological signs. The facility owner’s veterinarian is advising the owner on movement restrictions and biosecurity.;

Location: District of Cochran, Ontario, Canada

Number Affected: 1;
Clinical Signs: intermittent fever; Horse Status: Affected And Alive; Vaccination Status: Not Reported;
Notes: A second horse, which had been stabled at the same facility in the Municipality of York for a short period of time prior to returning to the District of Cochrane, has since developed intermittent fevers and has also tested positive for EHV-1. The owner of the second affected facility has placed that premises under a voluntary quarantine.;
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