Cowpox children. In 1796, British medical practitioner Edward Jenner tested the theory that cowpox could protect someone from being infected by smallpox. Although cowpox originates on the udder of cows, Jenner took his sample from a milkmaid, Sarah Nelmes. Jenner extracted the pus of one of the lesions formed by cowpox on Nelmes to another individual who never had smallpox, James Phipps. He eventually developed a scab and fever that was manageable. Approximately six weeks later, Jenner then introduced an active sample of the smallpox virus into Phipps to test the theory. After being observed for an extended amount of time,
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