Equine Herpesvirus-1 Neurologic

Wellington, Ontario

July 9, 2026

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1
Confirmed Cases
0
Suspected Cases
0
Exposed
0
Euthanized

Alert Details

Facility Type
Boarding Facility
Quarantine Status
Voluntary Quarantine
Data Source
Ontario Ministry of Agriculture, Food, and Agribusiness

Affected Horse Details

Horse 1

Age
24
Gender
Mare
Breed
Thoroughbred (TB)
Status
Euthanized
Clinical Signs: This mare developed acute ataxia in all four limbs with muscle fasciculations and hyperesthesia on July 7. Clinical signs progressed and she was euthanized. Nasal swab and blood samples were positive for EHV-1 by PCR. There was no history of recent travel.