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Globally, an estimated 2.5 billion people lack access to improved sanitation.
Effective gender-responsive programming in the Water, Sanitation and Hygiene (WASH) sector can contribute to progress towards gender
Clean water provision is a critical component of emergency response, and chlorination is widely used in emergencies to treat water.
This evidence synthesis identifies, synthesizes and evaluates existing evidence of the impacts of water, sanitation, and hygiene (WA