Edward Jenner full-blown infection. Later, he injected Phipps with variolous material, the routine method of immunization at that time. No disease followed. The boy was later challenged with variolous material and again showed no sign of infection. Donald Hopkins has written, "Jenner's unique contribution was not that he inoculated a few persons with cowpox, but that he then proved [by subsequent challenges] that they were immune to smallpox. Moreover, he demonstrated that the protective cowpox pus could be effectively inoculated from person to person, not just directly from cattle. Jenner successfully tested his hypothesis on 23 additional subjects. Jenner continued his research
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