title: Ecological factors in the 1963 outbreaks of western encephalitis in Saskatchewan.
mesh_terms: D009033:Culicidae; D004671:Encephalitis, Arbovirus / Q000453:epidemiology*; D004683:Encephalomyelitis, Equine / Q000453:epidemiology; D006801:Humans; D012525:Saskatchewan; D014887:Weather