Edward Jenner full-blown infection. Later, he injected Phipps with variolous material, the routine method of immunization at that time. No disease followed. The boy was later challenged with variolous material and again showed no sign of infection. Donald Hopkins has written, "Jenner's unique contribution was not that he inoculated a few persons with cowpox, but that he then proved [by subsequent challenges] that they were immune to smallpox. Moreover, he demonstrated that the protective cowpox pus could be effectively inoculated from person to person, not just directly from cattle. Jenner successfully tested his hypothesis on 23 additional subjects. Jenner continued his research
Edward Jenner He was buried in the Jenner family vault at the Church of St. Mary, Berkeley. He was survived by his son Robert Fitzharding (* 1797; † 1854) and his daughter Catherine (* 1794; † 1833), his elder son Edward (* 1789; † 1810) having died of tuberculosis aged 21. Neither fanatic nor lax, Jenner was a Christian who in his personal correspondence showed himself quite spiritual; he treasured the Bible. Some days before his death, he stated to a friend: "I am not surprised that men are not grateful to me; but I wonder that they are not grateful to