Eastern Equine Encephalitis in Québec - The Horse Forum
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post #1 of 4 Old 10-13-2008, 09:16 PM Thread Starter
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Eastern Equine Encephalitis in Québec

Hello everyone, been away for a while, glad to be back now. Hope everything is going well with you and your horses.

Up here in Québec things are a bit gloomy. There have been two confirmed cases of eastern equine encephalitis on two horses and six confirmed cases on emu birds (forgive translation, for those who speak french it's ''émeu''). Ten more cases in horses are being looked into at the moment and many more in emu birds. Doctors all over the province have been told to stay on alert for any suspected human cases. Same thing with veterinarians. It's the first time in over 30 years. Mosquitos drawn here by the hurricanes in the southern states are the official cause of those cases. No vaccine has been approved yet nor any medication. Everyone is on edge and information on the state of things is scarce.

I've read that it is rather common down in the United-States. Any information pertaining to that disease is most welcomed. I'll try to keep you updated on how things are working out here. Thank you.
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post #2 of 4 Old 10-14-2008, 10:02 AM
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I don't know why no vaccines would have yet been approved as the US has had effective EEE vaccines for horses for more than 15 years and it's also seen in Canada. I believe EEE vaccines are given in other parts of Canada.

There is no treatment specifically for EEE because it is a virus. The focus is on supportive care---anti-inflammatories, IV fluids, good nursing care especially for downed horses. However, EEE has a very high mortality rate.

CDC Information on Arboviral Encephalitides - CDC Division of Vector-Borne Infectious Diseases (DVBID)


Cindy D.
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post #3 of 4 Old 10-14-2008, 02:17 PM
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The Vaccine is available in Ontario, I would think the vets in Quebec should be able to get it as well.
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post #4 of 4 Old 10-16-2008, 12:33 PM Thread Starter
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It seems there is indeed a vaccine available through exterior sources such as Ontario. I believe there is no source for the vaccine in Québec itself, because the disease is so uncommon over here.

It seems what veterianrians fear the most now is a mutation of the virus caused by the rapidly changing environmental conditions of the province. If so then the vaccine would be rendered obsolete.

Do you know if there is more than one type of EEE? Have any vaccines been developped for these?
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