Epidemics in early Ohio.
D002771:Cholera / Q000266:history; D004196:Disease Outbreaks / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D008288:Malaria / Q000266:history; D009820:Ohio; D010939:Plant Poisoning / Q000266:history; D012899:Smallpox / Q000266:history; D014376:Tuberculosis / Q000266:history; D015004:Yellow Fever / Q000266:history