Smallpox 1718. In 1721, Cotton Mather and colleagues provoked controversy in Boston by inoculating hundreds. In 1796, Edward Jenner, a doctor in Berkeley, Gloucestershire, rural England, discovered that immunity to smallpox could be produced by inoculating a person with material from a cowpox lesion. Cowpox is a poxvirus in the same family as variola. Jenner called the material used for inoculation vaccine, from the root word "vacca", which is Latin for cow. The procedure was much safer than variolation, and did not involve a risk of smallpox transmission. Vaccination to prevent smallpox was soon practiced all over the world. During the
Jenner Glacier vaccination. Jenner Glacier Jenner Glacier () is a glacier long flowing southwest from the Solvay Mountains between Paprat Peak and Kondolov Peak into the eastern arm of Duperré Bay, in the southern part of Brabant Island in the Palmer Archipelago, Antarctica. The glacier was shown on an Argentine government chart in 1953, but not named. Photographed by Hunting Aerosurveys Ltd in 1956–57, and mapped from these photos in 1959, it was named by the UK Antarctic Place-Names Committee for Edward Jenner, an English physician who was a pioneer of preventive medicine, and who instituted the use of cowpox vaccine in