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For the Washington, D.C. radio station, see WASH-FM. For other meanings, see Wash (disambiguation).

WASH, used in international development programs, refers to "Water, Sanitation and Hygiene". Specifically it may refer to a water, sanitation and hygiene advocacy campaign initiated by the Water Supply and Sanitation Collaborative Council. Access to safe water, adequate sanitation, and proper hygiene education can reduce illness and death from disease, and also impact poverty reduction and socio-economic development.

These areas are treated together as the impact of deficiencies in each area overlap strongly, and so to achieve a strong positive impact on public health, they need to be addressed together.

Researchers at the Overseas Development Institute have promoted the value of political economy analysis to better understand the complexities of specific contexts when attempting to identify appropriate responses to WASH challenges in developing countries.[1] They argue that 'best-practice' models of WASH service provision are unlikely to work when applied to real-world contexts. According to the researchers, political economy analysis can help to identify 'best fit' solutions that take into account existing institutions, policies and incentives and so stand a better chance of succeeding.


  1. ^ Kooy, M. and Harris, D. (2012) Briefing paper: Political economy analysis for water, sanitation and hygiene (WASH) service delivery. Overseas Development Institute

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