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This evidence synthesis identifies, synthesizes and evaluates existing evidence of the impacts of water, sanitation, and hygiene (WA
Children under 18 can represent 50% or more of a crisis-affected population.
When water supplies are compromised during an emergency, responders often recommend household water treatment and safe storage (HWTS
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