Edward Jenner humans a cowpox vaccine against smallpox. For example, Dorset farmer Benjamin Jesty successfully vaccinated and presumably induced immunity with cowpox in his wife and two children during a smallpox epidemic in 1774, but it was not until Jenner's work that the procedure became widely understood. Jenner may have been aware of Jesty's procedures and success. A similar observation had also been made in France by Jacques Antoine Rabaut-Pommier in 1780. Noting the common observation that milkmaids were generally immune to smallpox, Jenner postulated that the pus in the blisters that milkmaids received from cowpox (a disease similar to smallpox, but
Caleb Jenner Caleb Jenner Caleb Joshua Jenner (9 December 1830 – 27 June 1890) was a politician in colonial Victoria (Australia), member of the Victorian Legislative Council. Jenner was born in Alfriston, Sussex, England, the son of Thomas Jenner and his wife Sarah, "née" Ralf. He came to Victoria in 1850, and engaged in commercial pursuits at Geelong. Jenner held the office of president of the first reform league, established for the purpose of protecting native Industries. Jenner represented the South Western Province in the Legislative Council for more than twenty years, being returned in March 1863 in opposition to Charles Griffith,