... Journal of Water and Environment Technology, Vol. 7, No. 4, 2009 - 277 - Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water ... having a latrine, not filtering or boiling water, no water treatment procedures, defecating in open field rather than a latrine and without hand washing (with and without soap) before eating and ... Improved Water Supply, World Health Organization, Geneva. Sobsey M. D., Handzel T. and Venczel L. (2003). Chlorination and Safe Storage of Household Drinking water in Developing Countries to Reduce...