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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
Changes in water quality of a sand aquifer on the east coast of Sri Lanka due to the 26 December 2004 tsunami and subsequent remedia
Malaria control among nomadic populations has, in the past, posed serious logistic difficulties.