Edward Jenner humans a cowpox vaccine against smallpox. For example, Dorset farmer Benjamin Jesty successfully vaccinated and presumably induced immunity with cowpox in his wife and two children during a smallpox epidemic in 1774, but it was not until Jenner's work that the procedure became widely understood. Jenner may have been aware of Jesty's procedures and success. A similar observation had also been made in France by Jacques Antoine Rabaut-Pommier in 1780. Noting the common observation that milkmaids were generally immune to smallpox, Jenner postulated that the pus in the blisters that milkmaids received from cowpox (a disease similar to smallpox, but
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.