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- Respiratory

Haldimand County, ON

Alert ID: 1165

January 24, 2019

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Number affected: 4

Notes: On January 18, 2019 the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of two cases of equine herpes viral abortion caused by equine herpesvirus-1 (EHV-1) at a farm in Haldimand County. The two mares aborted during their 9th and 10th month of pregnancy. One week prior to the abortions, two horses on the same farm suddenly developed neurological signs consistent with the neurological form of EHV-1 infection, also known as equine herpes myeloencephalopathy (EHM). These horses were euthanized and no further diagnostic testing was performed. The farm owner has voluntarily placed the premises under quarantine to reduce the risk of disease transmission. For more information go to http://www.omafra.gov.on.ca/english/food/inspection/ahw/ehv.htm

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