Smallpox vaccine get to a populated place. The world health system is completely unprepared for this." In the United Kingdom, controversy occurred regarding the company which had been contracted to supply the vaccine. This was because of the political connections of its owner, Paul Drayson, and questions over the choice of vaccine strain. The strain was different from that used in the United States. Plans for mass vaccinations in the United States stalled as the necessity of the inoculation came into question. Smallpox vaccine Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed
1972 Yugoslav smallpox outbreak the disease was considered to be eradicated in Europe. The population of Yugoslavia had been regularly vaccinated against smallpox for 50 years, and the last case was reported in 1930. This was the major cause for the initial slow reaction by doctors, who did not promptly recognize the symptoms of the disease. In October 1970, an Afghan family went on pilgrimage from Afghanistan, where smallpox was endemic, to Mashhad in Iran, triggering a massive epidemic of smallpox in Iran that would last until September 1972. By late 1971, smallpox-infected devotees on pilgrimage had carried the smallpox from Iran into Syria