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Background: The coronavirus disease (COVID-19) pandemic poses a grave threat to refugees and internally displaced persons (IDPs).
Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
Household water treatment with chlorine can improve the microbiological quality of household water and reduce diarrhea
In July 2007, a study by the Centre for Environmental Health Engineering, at the University of Surrey, assessed a modified method of
There is currently limited public information available concerning methods for the selection of appropriate water trea