[The 200th anniversary of the death of János Raymann, pioneer of smallpox vaccination].
D049670:History, 17th Century; D049671:History, 18th Century; D006801:Humans; D006814:Hungary; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination / Q000266:history
D012900:Smallpox Vaccine
200 éve halt meg Raymann János, A himlooltas úttöroje.