Alix Peterson Zwane|Michael Kremer
What Works in Fighting Diarrheal Diseases in Developing Countries? A Critical Review
millennium development goals call reducing half proportion people without sustainable access safe drinking water goal adopted large part clean water seen critical fighting diarrheal disease kills 2 million children annually compelling evidence provision piped water sanitation substantially reduce child mortality however dispersed rural settlements providing complete piped water sanitation infrastructure households expensive many poor countries therefore focused instead providing communitylevel water infrastructure wells various traditional child health interventions shown effective fighting diarrhea among environmental interventions handwashing pointofuse water treatment reduce diarrhea although needs learned ways encourage households take behavior changes contrast little evidence providing communitylevel rural water infrastructure substantially reduces diarrheal disease infrastructure effectively maintained investments communal water infrastructure short piped water may serve needs may reduce diarrhea particular circumstances case prioritizing communal infrastructure provision needs made rather assumed