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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.
Changes in water quality of a sand aquifer on the east coast of Sri Lanka due to the 26 December 2004 tsunami and subsequent remedia
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice
Communicable diseases are of particular concern in conflict and disaster-affected populations that reside in camp settings.