Cowpox to the mild form of smallpox and the observation that dairy farmers were immune from smallpox inspired the first smallpox vaccine, created and administered by English physician Edward Jenner. The word “vaccination,” coined by Jenner in 1796, is derived from the Latin root "vaccinus", meaning of or from the cow. Once vaccinated, a patient develops antibodies that make them immune to cowpox, but they also develop immunity to the smallpox virus, or "Variola virus". The cowpox vaccinations and later incarnations proved so successful that in 1980, the World Health Organization announced that smallpox was the first disease to be eradicated
Frederick Wells (cricketer, born 1796) Frederick Wells (cricketer, born 1796) Frederick Wells (1 July 1796 – 27 January 1849) was an English cricketer. Wells was a right-handed batsman who bowled right-arm underarm medium. He was born at Dorking, Surrey. Wells made his first-class debut for Surrey against Kent at Sevenoaks Vine in 1828. The following season he made a single first-class appearance for England against Sussex, before making a single first-class appearance each the following season for the Gentlemen of Kent against the Marylebone Cricket Club and for the Marylebone Cricket Club against Suffolk. He made his debut for Sussex against England in 1832. His