West Nile Virus

Simcoe, Ontario

August 6, 2026

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1
Confirmed Cases
2
Suspected Cases
0
Exposed
0
Euthanized

Alert Details

Facility Type
Farm
Quarantine Status
Active
Data Source
Ontario Ministry of Agriculture, Food, and Agribusiness

Affected Horse Details

Horse 1

Age
5
Gender
Gelding
Breed
Belgian
Vaccination
Unvaccinated
Status
Euthanized
Clinical Signs: This gelding became acutely recumbent on July 25th, was sent to a referral hospital for treatment but was euthanized due to his worsening condition. West Nile virus was confirmed by PCR on brain tissue. This gelding was one of 3 horses on the property that had recently died with acute neurologic signs.

What next?