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Globally, an estimated 2.5 billion people lack access to improved sanitation.
Solid waste and faecal sludge management in situations of rapid mass displacement are important to public health an
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