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Position paper: Implications of recent WASH and nutrition studies for WASH policy and practice

note coll. WASH reflections series Nov 2019 ; 8 pages
Ed. OMS - Genève UNICEF - New York
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In 2018, the WASH sector was surprised by three new high-quality studies (WASH Benefits, Kenya and Bangladesh and SHINE, Zimbabwe) that showed little or no impact of selected WASH interventions on reducing childhood diarrhea and stunting. Some practitioners, researchers and funders have reacted by questioning the value of investing in WASH compared to other public health interventions and how future WASH implementation can be improved to achieve greater health gains.

The studies are an important new contribution to the evidence base which have provoked a timely and important discussion, and number of commentary papers reflecting on the study designs, their findings and calling for “transformative” WASH interventions.

The purpose of this paper is two-fold:
• to summarize the studies and the responses, contextualizing their findings within the wider body of evidence and,
• to distill the implications for future WASH investments, including WASH and nutrition co-programming, to guide practice, policyand research

Mots clefs:

alimentation, nutrition (CI) (DT) (OP) , assainissement (CI) (DT) (OP) , eau potable (CI) (DT) (OP) , maladie (CI) (DT) (OP)


OMS - Organisation mondiale de la santé - Genève - Suisse

UNICEF - New York - Etats Unis

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