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This evidence synthesis identifies, synthesizes and evaluates existing evidence of the impacts of water, sanitation, and hygiene (WA
This report is based on a desk-based review of secondary data, comprising published material as well as grey literature, supplemente
When water supplies are compromised during an emergency, responders often recommend household water treatment and safe storage (HWTS
Recent investigations into the March 2003 outbreak of SARS in Hong Kong have concluded that environmental factors played an importan