Eastern Equine Encephalitis (EEE)

On August 26, 2020, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of a confirmed case of eastern equine encephalitis (EEE) in a pony located in the United Counties of Leeds and Grenville. The unvaccinated pony was euthanized following the sudden onset and progression of neurological signs. Laboratory diagnostic testing confirmed infection with the EEE virus (EEEv) <more>

Equine neurological cases are posted on the OMAFRA website at: OMAFRA


Why We Vaccinate - Eastern & Western Equine Encephalitis (“Sleeping Sickness”)

Burwash Equine Services .... Eastern Equine Encephalitis (EEE) and Western Equine Encephalitis (WEE) are both neurological diseases spread to horses and humans from infected wild birds and rodents via blood sucking mosquitos. Circulating levels of the virus in an affected horse are low, however, so it is highly unlikely that a horse would be a source of infection for a human. In horses, both EEE and WEE viruses can cause fever, depression, incoordination, staggering and blindness <more>

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