Edward Jenner humans a cowpox vaccine against smallpox. For example, Dorset farmer Benjamin Jesty successfully vaccinated and presumably induced immunity with cowpox in his wife and two children during a smallpox epidemic in 1774, but it was not until Jenner's work that the procedure became widely understood. Jenner may have been aware of Jesty's procedures and success. A similar observation had also been made in France by Jacques Antoine Rabaut-Pommier in 1780. Noting the common observation that milkmaids were generally immune to smallpox, Jenner postulated that the pus in the blisters that milkmaids received from cowpox (a disease similar to smallpox, but
Frank Jenner Culver's, Stanton's, and Wilkes' stories again, and met yet another person who had become a Christian after an encounter with Jenner. Finally arriving in Sydney, Dixon asked Alec Gilchrist of Campaigners for Christ if he knew a man who asked strangers on George Street whether or not they were headed for heaven or hell. Gilchrist was familiar with Jenner and informed Dixon about how to contact Jenner. Dixon visited Jenner at his house and told him about all the people he had met who had become Christians because of Jenner's evangelism. Jenner, now fifty years old, had never before heard