Equine Herpes Myeloencephalopathy (EHM)

EHM is a contagious disease of the nervous system caused by an infection with a virus called equine herpesvirus-1 (EHV-1). There are two strains of the virus and both can cause EHM.


EHM is a contagious disease of the nervous system caused by an infection with a virus called equine herpesvirus-1 (EHV-1). There are two strains of the virus and both can cause EHM.

Ontario Animal Health Network EHM INFOGRAPHIC - Learn about prevention, risk, clinical signs, diagnosis, treatment, and reducing the spread of EHM.

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Potomac horse fever in Alberta

Deadly horse fever outbreak declared in Alberta Potomac horse fever is a disease that kills in up to 30 per cent of cases CBC 2020-09-28 -- Sue McIntosh thought her horse, Finnegan, looked a bit off,

Eastern Equine Encephalitis (EEE)

On August 26, 2020, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of a confirmed case of eastern equine encephalitis (EEE) in a pony located in the United Counties

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