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
Kendall Jenner Jenner. Jenner's middle name was a tribute to her mother's best friend Nicole Brown Simpson, who died just before Jenner was conceived. Jenner was raised in a stepfamily with one younger sister, Kylie, and eight half-siblings. Jenner is half sister to Burt and Casey Lynn Jenner through Caitlyn and first wife Christie Crownover. Through Caitlyn and second wife Linda Thompson, Jenner is half sister to indie pop singer Brandon and "The Hills" actor Sam "Brody" Jenner. Jenner is maternal half sister to reality television celebrities Kourtney, Kim, Khloé, and Rob Kardashian through mother Kris Jenner. Jenner was raised with her