Eastern Equine Encephalitis

Regional Municipality of Halton, Ontario

September 3, 2025

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1
Confirmed Cases
0
Suspected Cases
3
Exposed
0
Euthanized

Alert Details

Facility Type
Farm
Quarantine Status
Active
Data Source
OMAFA

Location

Affected Horse Details

Horse 1

Age
16
Gender
Mare
Breed
Draft
Vaccination
Unvaccinated
Status
Euthanized
Clinical Signs: The mare was clinically normal that morning but by late afternoon had developed acute, progressive neurologic signs and she was euthanized the following day despite supportive therapy.