Cowpox children. In 1796, British medical practitioner Edward Jenner tested the theory that cowpox could protect someone from being infected by smallpox. Although cowpox originates on the udder of cows, Jenner took his sample from a milkmaid, Sarah Nelmes. Jenner extracted the pus of one of the lesions formed by cowpox on Nelmes to another individual who never had smallpox, James Phipps. He eventually developed a scab and fever that was manageable. Approximately six weeks later, Jenner then introduced an active sample of the smallpox virus into Phipps to test the theory. After being observed for an extended amount of time,
Kendall Jenner multiple editorials and cover shoots for "LOVE" and various international "Vogue" editions, walked for Victoria's Secret, and acts as brand ambassador for Estée Lauder's multimedia ad campaigns. Jenner made her debut at No. 16 on "Forbes" magazine's 2015 list of top earning models, with an estimated annual income of . As of April 2017, she is one of the top 15 most followed celebrities on Instagram. In 2017, Jenner became the World's Highest-Paid Model on the "Forbes" top-earning models list. Jenner was born in Los Angeles, California, to retired Olympic decathlete champion Caitlyn Jenner (previously Bruce) and television personality Kris