Smallpox 1718. In 1721, Cotton Mather and colleagues provoked controversy in Boston by inoculating hundreds. In 1796, Edward Jenner, a doctor in Berkeley, Gloucestershire, rural England, discovered that immunity to smallpox could be produced by inoculating a person with material from a cowpox lesion. Cowpox is a poxvirus in the same family as variola. Jenner called the material used for inoculation vaccine, from the root word "vacca", which is Latin for cow. The procedure was much safer than variolation, and did not involve a risk of smallpox transmission. Vaccination to prevent smallpox was soon practiced all over the world. During the
Frank Jenner years old. Once Jessie had recovered from her illness, they returned to Sydney on SS "Oronsay". Jenner would normally wake up to pray at 5 am each day. In the 1940s, Jenner left the Glanton Brethren and joined the Open Brethren. For the rest of his life, Jenner attended Open Brethren churches: one on Goulburn Street in Sydney and the other in Bexley, New South Wales. At these churches, people did not understand what narcolepsy was and thought that Jenner was consistently falling asleep during services because he lacked respect for God. The church on Goulburn Street also disapproved of