title: Influence of age on infection with St. Louis Encephalitis virus.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004674:Encephalitis, St. Louis / Q000453:epidemiology*; D006801:Humans; D007087:Illinois; D007223:Infant; D007629:Kentucky; D008875:Middle Aged