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This programme guide is intended to support humanitarian staff primarily working in the water, sanitation and hygiene (WASH) sector
Globally, an estimated 2.5 billion people lack access to improved sanitation.
Diarrheal disease is a common cause of morbidity and mortality.
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina