Equine Herpes Virus — Canada
On 6 Jan 2020, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of 2 cases of equine abortion in Simcoe County. Both cases were confirmed to be caused by equine herpesvirus type 1 (EHV-1). Both mares aborted during their 10th month of pregnancy, and both mares arrived from an out-of-province location in December [2019].
A 3rd mare was exposed to the infected mares, but she has remained unaffected.
The farm manager kept the new mares separate from the
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