Equine Herpesvirus-1 Neurologic

Simcoe, Ontario

June 9, 2026

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1
Confirmed Cases
0
Suspected Cases
15
Exposed
1
Euthanized

Alert Details

Quarantine Status
Voluntary Quarantine
Data Source
OMAFA

Affected Horse Details

Horse 1

Age
18
Gender
Gelding
Breed
Thoroughbred (TB)
Vaccination
Vaccinated
Status
Euthanized
Clinical Signs: This gelding developed edema of all four limbs on June 6. His signs progressed to acute hindlimb ataxia and bladder paralysis and he was taken to an equine referral hospital that day. He became recumbent on June 8 and was euthanized. Nasal swab was positive for EHV-1 by PCR.