Dr. Thomas Dimsdale and smallpox inoculation in Russia.
D004196:Disease Outbreaks / Q000266:history; D049670:History, 17th Century; D049671:History, 18th Century; D006801:Humans; D012425:Russia (Pre-1917); D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D014611:Vaccination / Q000266:history*