The sanitary condition of rural drinking water in a Nile Delta village. I. Parasitological assessment of 'zir' stored and direct tap water.

Drinking water is a recognized mode of transmission of various parasitic and bacterial infections and high prevalence rates of water-borne infection have been found during past studies in rural areas of the Nile Delta (Farag et al. 1979; Khairy. Barakat & Omar, 1978).