The arbovirus problem in Canada.
D000818:Animals; D002170:Canada; D004196:Disease Outbreaks / Q000453:epidemiology / Q000517:prevention & control; D004663:Encephalitis Virus, Eastern Equine; D004667:Encephalitis Virus, Western Equine; D004674:Encephalitis, St. Louis / Q000453:epidemiology* / Q000517:prevention & control; D004683:Encephalomyelitis, Equine / Q000453:epidemiology* / Q000517:prevention & control; D006734:Horse Diseases / Q000453:epidemiology; D006736:Horses; D006801:Humans