title: George Mellis Douglas: typhus and tragedy.
mesh_terms: D002170:Canada; D002771:Cholera / Q000266:history; D004196:Disease Outbreaks / Q000266:history*; D004641:Emigration and Immigration / Q000266:history; D049672:History, 19th Century; D011790:Quarantine / Q000266:history*; D014438:Typhus, Epidemic Louse-Borne / Q000266:history*; D006113:United Kingdom; D014481:United States