Hope lies in dreams, in imagination, and in the courage of those who dare to make dreams into reality.': Jonas Salk, inventor of one of the first successful polio vaccines No one will die of smallpox again€¦ One of the worst killers ever is now consigned to history: perhaps the greatest humanitarian achievement of our age. Now polio, malaria and measles are on the hit list. Karen Bartlett tells the dramatic story of the history of eradication and takes us to the heart of modern campaigns. From high-tech labs in America to the poorest corners of Africa and the Middle East, we see the tremendous challenges those on the front lines face every day, and how they take us closer to a brave new world.