OneWorld Health is currently developing medicines for diarrheal diseases, malaria, visceral leishmaniasis and soil-transmitted helminthes (intestinal worms).

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Intestinal worms are estimated to affect up to two billion people around the world, mainly in poor areas.

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They then used it to diagnose intestinal worms in about 200 students in Pemba Island, off Tanzania's eastern coast.

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Intestinal worms have been shown to do so on many occasions.

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Crohn's disease and colitis, two similar diseases in which a person's immune system violently attacks the lining of the intestines, may be more common now than in the days before sanitation and effective drugs because there aren't enough intestinal worms to keep immune systems busy.

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Worms can get through the intestinal wall and move around under skin tissues.

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