Smallpox.
Klainer
A S
AS
Department of Medicine, Morristown Memorial Hospital, New Jersey.
D014943:Global Health; D049670:History, 17th Century; D049671:History, 18th Century; D049673:History, 20th Century; D006801:Humans; D012899:Smallpox / Q000175:diagnosis / Q000453:epidemiology / Q000266:history