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Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
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
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice