Smallpox epidemics in Puerto Rico during the prevaccine era (1518-1803).
D004196:Disease Outbreaks / Q000266:history*; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D011647:Puerto Rico; D012899:Smallpox / Q000453:epidemiology / Q000266:history*