Equine Herpesvirus-1 Neurologic

Regional Municipality of Niagara, Ontario

March 10, 2025

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2
Confirmed Cases
0
Suspected Cases
0
Exposed
2
Euthanized

Alert Details

Facility Type
Private Facility
Quarantine Status
Voluntary Quarantine
Data Source
OMAFA

Location

Affected Horse Details

Horse 1

Age
7
Gender
Mare
Breed
Thoroughbred (TB)
Clinical Signs: This mare developed ataxia that progressed and she was subsequently euthanized. The following day, in a separate barn, another mare became acutely neurologic and recumbent. She was also euthanized. No other horses have displayed neurologic signs however there have been a few horses with a fever. PCR testing on both neurologic mares confirmed EHV-1 infection.