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Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
Protracted conflicts in the Middle East and North Africa (MENA) region have left tens of millions of people in need of humanitarian
A simple method for filtering water to reduce the incidence of cholera was tested in a field trial in Matlab, Bangladesh, and proved
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina