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        NOVA: Vaccines—Calling the Shots | The Smallpox Vaccine

        Learn about the history of the smallpox vaccine in this video from NOVA: "Vaccines—Calling the Shots." Centuries ago, it was recognized that people rarely get infected with the same disease twice. In about 1000 AD, Brahmin healers in India inoculated people by applying dried smallpox scabs to scratches in the skin. In 1717, Lady Mary Wortley Montagu wrote of Turkish women inoculating their children with smallpox and successfully introduced the technique to England. In 1796, Edward Jenner introduced the smallpox vaccine—a superior method of immunization against smallpox that used cowpox and led to the eradication of smallpox. 

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