title: Syphilis.
mesh_terms: D000349:Africa; D005060:Europe; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D009656:North America; D013587:Syphilis / Q000175:diagnosis / Q000266:history*