After a 20-year battle against a parasitic worm that causes cripplingly painful infections, Nigeria is believed to be free of the guinea worm. In 1989, when the US-based Carter Center began its eradication programme, there were an estimated 653,000 cases in Nigeria. In the last 12 months not a single worm has been found in the country, according to Dr. Donald Hopkins, chairman of the Carter Center’s International Task Force for Disease Eradication. However, it will take two years for the World Health Organization to make it official. People are stricken when they drink stagnant water containing the worm larvae. The thin, translucent worms can grow as long as 3ft and finally emerge by exuding acid that bursts the skin, causing crippling pain for months. The worms are still found in Ethiopia, Ghana, Mali and Sudan.
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