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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.
The Ebola virus disease (EVD) epidemic entered Liberia through Lofa County in February 2014 and spread to two heal
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina