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,
Greg Jenner Phone Age" in which he described how routines and habits today had their genesis in the past as well as highlighting contrasts in every day routines through the ages. Jenner has written for "GQ" magazine and has appeared as a guest on "Richard Herring's interview podcasts" Jenner has appeared as a guest on the "Art Detective" podcast. Jenner appeared on the BBC Radio 4 programme "Great Lives" discussing Gene Kelly. He has appeared more than once as a guest on "QI" spin-off podcast "No Such Thing as a Fish". Jenner has appeared as a guest on the Simon Mayo and