Disease alerts - Eastern Equine Encephalitis in Ontario, October 7, 2024 - Eastern Equine Encephalitis in Ontario, October 7, 2024 - Eastern Equine Encephalitis in Ontario, October 7, 2024

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Regulatory Category- Federal:

Immediately Notifiable

Regulatory Category- Province or Territory:

Immediately Notifiable

Animal Type:

Equine

Susceptible Animal Types:

Equine

Animal Class:

Terrestrial

Disease Agent:

Eastern equine encephalomyelitis

Disease Agent Type:

Virus

Organization:

Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA)

Region:

Ontario

Event Size:

1 individual

Problem(s):

Nervous systems signs

Topics:

Endemic;
Vector/Vector-borne

Start Date

Oct/07/2024

End Date

Oct/07/2024

Website

Equine Disease Communication Center

Eastern Equine Encephalitis in Ontario, October 7, 2024

Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA)

Eastern Equine Encephalitis (EEE) has been confirmed in Middlesex County, Ontario. On September 21, 2024, a yearling Draft filly developed acute neurologic signs (obtunded, ataxic). She died later that day. EEE was confirmed on October 7, 2024. The horse was not vaccinated against EEE. This is the 21st case of equine EEE in Ontario this year.