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 Kendall Jenner Kendall Nicole Jenner (born November 3, 1995) is an American model and television personality. Originally appearing in the E! reality television show "Keeping Up with the Kardashians", Jenner is now also a model in a movement dubbed "the Instagirl era" by "Vogue" magazine, or "Social Media Modeling" by "Harper's Bazaar", where models are chosen for their online presence and social media following. After working in commercial print ad campaigns and photoshoots, Jenner had breakout seasons in 2014 and 2015, walking the runways for high fashion designers during the New York, Milan, and Paris Fashion Weeks. Jenner has done