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Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
The devastating earthquake of 2005 severely damaged over 4000 water and sanitation schemes in northern Pakistan.
The cholera epidemic in Zimbabwe between 2008-2009 also came against a backdrop of water and sanitation infrastructure issues that r
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina