Preventing Diarrheal Disease in Developing Countries: Proven Household Water Treatment Options. USAID, CDC, November 2010.
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Five interventions – chlorination, ceramic filtration, slow sand filtration, solar disinfection, and PUR – have been proven to reduce diarrhea in users in developing countries and improve the microbiological quality of stored household water and are discussed below. The most appropriate HWTS option for a location depends on existing water and sanitation conditions, water quality, cultural acceptability, implementation feasibility, availability of HWTS technologies, and other local conditions.
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