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
The Successful Pyrate The Successful Pyrate The Successful Pyrate is a play by Charles Johnson, first performed 1712, published 1713, dealing with the life of the pirate Henry Avery. "The Successful Pyrate" is a romanticised dramatisation of two episodes contained in a pamphlet recently published concerning the career of the pirate Henry Avery: his capture of the Mogul Aurengzeb's ship "Gang-i-sawai", allegedly carrying the Mogul's granddaughter; and a plot against him by his lieutenant De Sale and other pirates. In the play, Avery goes under the name Arviragus, and has made himself a King in Madagascar. He captures the Indian princess Zaida and