What is bilharzia?

It is a parasitic disease caused by the penetration through the skin of a worm, the trematode, of the genus Schistosoma, more commonly called bilharzia. This lodges in the veins and the disease is likely to manifest itself by local signs or by symptoms due to damage to the viscera. This disease affects around 200 million people in rural areas around the world. The severity of the disease is measured by the number of eggs found per gram of stool.

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