INCIDENCE of disease.
D002771:Cholera; D003141:Communicable Diseases; D004194:Disease; D015994:Incidence; D010930:Plague; D012899:Smallpox; D014438:Typhus, Epidemic Louse-Borne; D012901:Variola virus; D014798:Vital Statistics; D015004:Yellow Fever
CHOLERA; COMMUNICABLE DISEASES; DISEASE; PLAGUE; SMALLPOX; TYPHUS; VITAL STATISTICS; YELLOW FEVER