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Background: The coronavirus disease (COVID-19) pandemic poses a grave threat to refugees and internally displaced persons (IDPs).
When responding to an emergency situation, ensuring safe excreta disposal is an urgent priority in the disaster relief effort.
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