title: Smallpox in early Singapore (Part III) (1850-1859).
mesh_terms: D004196:Disease Outbreaks / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D012846:Singapore; D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D014611:Vaccination / Q000266:history