London: By Christoffer van Tulleken, UCL London, May 21 (The Conversation) A superficial reading of the history of vaccination might lead you to believe that it is simple. Dried smallpox pustules had been used for 1,000 years to inoculate people against smallpox before the first successful vaccine trial, conducted by Edward Jenner in 1796 on a single eight-year-old boy. […]
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