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
Kendall Jenner sister and maternal half-siblings in Calabasas, an upscale suburb west of Los Angeles. Jenner attended Sierra Canyon School before switching to homeschooling in order to pursue modeling. She graduated in 2014. Jenner began modeling at age 14 when Wilhelmina Models signed her on July 12, 2009. Cinematographer Nick Saglimbeni directed the photoshoot for Jenner's Wilhelmina portfolio. Jenner's first modeling job was the "Rocker Babes with a Twist" campaign for Forever 21 in December 2009 and January 2010. Jenner featured in a "Teen Vogue" Snapshot on April 19, 2010. In September 2011, Jenner walked for Sherri Hill during Mercedes-Benz Fashion Week.