Introduction

Trichuriasis is an infection of the large intestine caused by the human whipworm (Trichuris trichiura).  Trichuriasis is part of a family of parasites known as the soil-transmitted helminths.

 

Introduction

Onchocerciasis, also known as river blindness, infects 26 million people living near the rivers and fast-moving streams of sub-Saharan Africa.  A small number of cases have also been reported in Yemen and the Americas.

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