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
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