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Introduction: The major aim of hand washing promotion programs is to persuade people to change their behaviour to reduce high-risk h
Appropriate and adequate sanitation solutions are crucial for the protection of human and environmental health in emergencies.
Sanitation is an issue often neglected in development decision making.
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina