This document contains three sources of information: a literature review, a set of interviews with key informants, and a set of case studies. The focus of this document is on situations where long-term or chronic problems of inadequate access to safe water/sanitation, coupled with poor hygiene practices, expose people to health risks. It also focuses on situations where a water pollution incident gives rise to the risk of adverse health impacts on the population. This document forms an evidence base about communication approaches and strategies appropriate to this broad cross-section of challenging situations and guiding principles.
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