INCIDENCE of disease.
D002771:Cholera; D004194:Disease; D006801:Humans; D015994:Incidence; D007251:Influenza, Human; D010930:Plague; D011051:Poliomyelitis; D012899:Smallpox; D014406:Tularemia; D012901:Variola virus; D014798:Vital Statistics; D014917:Whooping Cough
CHOLERA; DISEASE; INFLUENZA; PLAGUE; POLIOMYELITIS; SMALLPOX; TULAREMIA; VITAL STATISTICS; WHOOPING COUGH