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Locally manufactured sodium hypochlorite (chlorine) solution has been sold in Zimbabwe since 2010.
The World Health Organization (WHO) estimates that improving water, sanitation and hygiene could prevent at least 9.1% of the global
The bacteriological quality of drinking-water supply of five major urban centres affected by the October 2005 earthquake in Pakistan
Tropical Storm Jeanne struck Haiti in September 2004, causing widespread flooding which contaminated water sources, displaced thousa
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice
The December 2004 tsunami in Sumatra, Indonesia, destroyed drinking water infrastructure, placing over 500,000 displaced persons at
Malaria control among nomadic populations has, in the past, posed serious logistic difficulties.