“The British government has pledged about $31 million to help eradicate guinea worm disease, a donation that public-health experts say will bring them close to finishing the job.
A quarter century ago, the crippling parasitic infection afflicted 3.5 million people a year in more than 20 countries. This year, there are expected to be just over 1,000 cases in four African countries. More than 98% of those cases are in South Sudan, with a few dozen in Ethiopia, Mali, and Chad.
Guinea worm disease is passed along when people drink water from sources containing water fleas that harbor guinea worm larvae. Once inside a human, the larvae spawn worms that can reach three feet in length. The worms incubate for a year and then emerge slowly through painful lesions. When people soak their lesion-covered limbs in water, the worms release larvae, starting the cycle all over again.”
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