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Water chlorination is widely used in emergency responses to reduce diarrheal diseases, although communities with no prior exposure t
Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
When responding to an emergency situation, ensuring safe excreta disposal is an urgent priority in the disaster relief effort.
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina