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Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
After the 2015 earthquake in Nepal that killed approximately 9,000 people, the country faced an increased risk of cholera outbreaks
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