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 Jenner. Jenner's middle name was a tribute to her mother's best friend Nicole Brown Simpson, who died just before Jenner was conceived. Jenner was raised in a stepfamily with one younger sister, Kylie, and eight half-siblings. Jenner is half sister to Burt and Casey Lynn Jenner through Caitlyn and first wife Christie Crownover. Through Caitlyn and second wife Linda Thompson, Jenner is half sister to indie pop singer Brandon and "The Hills" actor Sam "Brody" Jenner. Jenner is maternal half sister to reality television celebrities Kourtney, Kim, Khloé, and Rob Kardashian through mother Kris Jenner. Jenner was raised with her