Doctor Thomas Dimsdale, and smallpox in Russia. The variolation of the Empress Catherine the Great.
D004739:England; D005197:Famous Persons; D005260:Female; D049671:History, 18th Century; D006801:Humans; D012425:Russia (Pre-1917); D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D014611:Vaccination / Q000266:history*