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
Brody Jenner and friends Audrina Patridge and Whitney Port. In 2007, Jenner began dating Conrad, which led to the deterioration with his friendship with Pratt. After Conrad established companionships with Jenner and Frankie Delgado, Pratt severed ties with both men. In 2009, Jenner hosted and Executive produced his own reality show "Bromance", in which young men competed to become part of his entourage. Jenner has modeled for Guess clothing, Agent Provocateur underwear, OP, and the magazine "Cosmogirl". Brody Jenner Sam Brody Jenner (born August 21, 1983) is an American television personality, socialite, and model. The son of Caitlyn Jenner and actress Linda