Many studies have reported the results of interventions to reduce illness through improvements in drinking water,
sanitation facilities, and hygiene practices in less developed countries. There has, however, been no formal systematic review and meta-analysis comparing the evidence of the relative effectiveness of these interventions. A comprehensive search strategy designed to identify all peer-reviewed articles, in any language, that
presented water, sanitation, or hygiene interventions was developed.
Fewtrell, L. et al. (2005). Water, sanitation, and hygiene interventions to reduce diarrhoea in less developed countries a systematic review and meta-analysis The Lancet Infectious Diseases Vol. 5 No. 1 pp. 42-52
WASH and nutrition (WG12)English
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