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
1972 Yugoslav smallpox outbreak international praise for the successful containment of the epidemic, which was also one of the finest hours for Donald Henderson and the WHO, as well as one of the crucial steps in the eradication of smallpox. In 1982, Serbian director Goran Marković made the film "Variola Vera" about a hospital under quarantine during the epidemic. In 2002, the BBC screened a television drama called "Smallpox 2002", which was partly inspired by the events. 1972 Yugoslav smallpox outbreak The 1972 Yugoslav smallpox outbreak was the last major outbreak of smallpox in Europe. It was centred in Kosovo and Belgrade (both then