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
Kylie Jenner Cosmetics has reportedly sold about $630 million worth of makeup. Jenner stars in a reality show revolving around her life, "Life of Kylie", which premiered in August 2017. The reality show drew half the viewers that brother Rob Kardashian's reality series "Rob & Chyna" did on its debut. Jenner is currently in a relationship with rapper Travis Scott, with whom she has a daughter, Stormi Webster (born February 1, 2018). Jenner had previously dated rapper Tyga between 2014 and 2017. On June 28, 2017, the Jenner sisters announced that they would be releasing a line of vintage T-shirts for their