Guinea Worm — Chad
For the past few years, the world has been on the edge of one of the biggest medical triumphs of modern history: wiping out a horrific parasite from the face of the Earth.
In the early 1980s, there were 3.2 million cases of Guinea worm — a 2-foot-long worm that emerges slowly — and excruciatingly — from a blister on the skin.
A massive campaign, led by former President Jimmy Carter, has eradicated the worm from all but 4 countries. And this year [2016], there have been only 7 cases,
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