The ebb and flow of infection.
D002771:Cholera / Q000266:history; D003141:Communicable Diseases / Q000266:history*; D004165:Diphtheria / Q000266:history; D004739:England; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D007251:Influenza, Human / Q000266:history; D008131:London; D008457:Measles / Q000266:history; D010930:Plague / Q000266:history; D012541:Scarlet Fever / Q000266:history; D012899:Smallpox / Q000266:history; D014435:Typhoid Fever / Q000266:history; D014438:Typhus, Epidemic Louse-Borne / Q000266:history