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Background: Cholera poses a significant global health burden.
Introduction: The major aim of hand washing promotion programs is to persuade people to change their behaviour to reduce high-risk h
The devastating earthquake of 2005 severely damaged over 4000 water and sanitation schemes in northern Pakistan.
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina