Infectious diseases: monthly or four-weekly number of reported cases, 1976 and 1977.
D002771:Cholera / Q000453:epidemiology; D003141:Communicable Diseases / Q000453:epidemiology*; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology; D007918:Leprosy / Q000453:epidemiology; D010930:Plague / Q000453:epidemiology; D012899:Smallpox / Q000453:epidemiology; D015004:Yellow Fever / Q000453:epidemiology