Young children in Addis Ababa, Ethiopia, show off their ink markings that indicate they were immunized against polio. © Jean-Marc Giboux

The Last Child tells the behind-the-scenes story of the global campaign to eradicate polio, the dreaded childhood disease that continues to cripple and kill. From the frontlines in Nigeria, India, Haiti and elsewhere, you'll witness the victories and challenges of trying to eradicate a disease worldwide for only the second time in history.

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