St. Louis encephalitis epidemic in Ohio in 1975.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004196:Disease Outbreaks / Q000453:epidemiology*; D004674:Encephalitis, St. Louis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009820:Ohio