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,
Julian Jenner Julian Jenner Julian Christopher Jenner (born 28 February 1984) is a Dutch professional footballer who plays as a winger. He is currently clubless. His former teams are AZ Alkmaar and NAC Breda. Jenner is nicknamed "The Scissor Kid" after his skills and stepovers, and is well known for his pace. On 14 June 2008, it was announced that Jenner signed a contract with Vitesse Arnhem, together with teammate Rogier Molhoek. In January 2010, Jenner went on loan to Rot-Weiss Ahlen until the end of the season. In 2007, Jenner was called up by Jong Oranje coach Foppe de Haan to