Smallpox is the only human disease ever eradicated: 15 cases that show why

Summary
Smallpox is the only human disease ever eradicated, and these 15 slides trace how it happened alongside a selection of near misses, from polio to Guinea worm
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Smallpox is the only human disease ever eradicated: 15 cases that show why
Smallpox is the only human disease ever eradicated, and these 15 slides trace how it happened alongside a selection of near misses, from polio to Guinea worm
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