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Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
The Improved Water, Sanitation and Hygiene (IWASH) program implemented Community-Led Total Sanitation (CLTS) in counties of Liberia
After a series of earthquakes devastated Port-au-Prince, Haiti, on 12 January 2010, safe excreta disposal became an urgent priority.