Two hundred years of vaccination.
Baxby
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Department of Medical Microbiology, University of Liverpool, UK.
D000818:Animals; D003140:Communicable Disease Control; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012900:Smallpox Vaccine / Q000266:history; D014611:Vaccination / Q000266:history; D014612:Vaccines / Q000266:history*
D012900:Smallpox Vaccine; D014612:Vaccines