The conquest of smallpox.
D005197:Famous Persons; D005260:Female; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007114:Immunization; D008297:Male; D012899:Smallpox / Q000266:history* / Q000517:prevention & control / Q000628:therapy; D014944:World Health Organization