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
Don Jenner Don Jenner Felix Donovan 'Don' Jenner (15 November 1892 – 31 March 1953) was an English cricketer. Jenner was a right-handed batsman who bowled both right-arm medium pace and right-arm off break. He was born at Hastings, Sussex. Jenner made his first-class debut for Sussex County against Nottinghamshire in the 1919 County Championship. He made 27 further first-class appearances for Sussex, the last of which came against Hampshire in the 1921 County Championship. He had modest success during his first-class career, scoring a total of 595 runs at an average of 12.14, with a high score of 55. This was