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
Kris Jenner Jenner Communications, which is based in Los Angeles. Since before the start of "Keeping Up with the Kardashians", she has managed her daughter Kim's career. She also is involved with the business management of her other daughters and son. Jenner opened a children's boutique in 2004 with her eldest daughter, Kourtney. The boutique was called "Smooch" and was open for almost six years before closing down in 2009. Jenner's autobiography, "Kris Jenner... and All Things Kardashian", was released in November 2011. She later wrote a cookbook entitled "In the Kitchen with Kris: A Kollection of Kardashian-Jenner Family Favorites", which was