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
Caitlyn Jenner Caitlyn Jenner Caitlyn Marie Jenner (born William Bruce Jenner on October 28, 1949) is an American television personality and retired Olympic gold medal-winning decathlete. Jenner was a college football player for the Graceland Yellowjackets before incurring a knee injury that required surgery. Coach L. D. Weldon, who had coached Olympic decathlete Jack Parker, convinced Jenner to try the decathlon. After intense training, Jenner won the 1976 Olympics decathlon event at the Montreal Olympic Games, gaining fame as "an all-American hero". Jenner set a third successive world record while winning the Olympics. The winner of the Olympic decathlon is traditionally given