These diseases are named in the Federal Health of Animals Act and are the mandate of the Canadian Food Inspection Agency. No new cases of EIA have been detected as of October 31, 2000. The main focus of infection in Canada in the past few years has been in Saskatchewan, Alberta, and British Columbia. The Arctic Fox strain has virtually been eliminated due to the wildlife vaccination program administered by the Ontario Ministry of Natural Resources.
Skunks remain as a reservoir of the virus.
However, since then, four horses have been infected in the counties of Bruce, Grey and Huron. The newest threat comes from the occurrence of raccoon rabies in the Brockville area. Epizootic lymphangitis of horses, horse pox, Japanese encephalitis of horses, and Venezuelan equine encephalitis have not been known to occur in Canada. From 1938 until the fall of 1992, there were no cases of EEE diagnosed in Ontario. Since 1992, there have been three sporadic EEE infections in Ontario.