Virology in order to immunize others. In 1717 Lady Mary Wortley Montagu observed the practice in Istanbul and attempted to popularize it in Britain, but encountered considerable resistance. In 1796 Edward Jenner developed a much safer method, using cowpox to successfully immunize a young boy against smallpox, and this practice was widely adopted. Vaccinations against other viral diseases followed, including the successful rabies vaccination by Louis Pasteur in 1886. The nature of viruses however was not clear to these researchers. In 1892, the Russian biologist Dmitry Ivanovsky used a Chamberland filter to try to isolate the bacteria that caused tobacco mosaic
Smallpox demon poetry including 105 poems published in 1805. Traditional smallpox folk dances have been observed even in present-day Japan, including Ibaraki Prefecture and Kagoshima Prefecture, for the avoidance of smallpox devils. In European countries the "red treatment" was practiced from the 12th century onwards; when he caught smallpox, King Charles V of France was dressed in a red shirt, red stockings, and a red veil. Queen Elizabeth I of England was likewise wrapped in a red blanket and placed by a live fire when she fell ill with smallpox in 1562, and similar treatments were applied to other European monarchs. In