In the 1900s, nearly 300 million people died from the smallpox disease. By 1980, after millions of people received the smallpox vaccine, smallpox had disappeared from the world. Find out more in Vaccines, a title in the Debating the Issues series. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and ...
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In the 1900s, nearly 300 million people died from the smallpox disease. By 1980, after millions of people received the smallpox vaccine, smallpox had disappeared from the world. Find out more in Vaccines, a title in the Debating the Issues series. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.
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