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 Pros and Cons of Vaccines, a title in the Open for Debate series. These books explore some of the most highly debated
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.