Raja'a, Y.A. Mubarak, J.S. 2006 The prevalence and intensity of schistosomiasis and soil transmitted parasites was estimated among third year schoolchildren of Sahar district, Sa'dah governorate, Yemen, after 4 schistosomiasis control campaigns. Anthropometric measurements were used to assess nutritional status in relation to infection rates. The prevalence of schistosomiasis infection was low at 5.6 : 3.3 for Schistosoma haematobium geometric mean 0.16 eggs 10 mL urine and 2.3 for S. mansoni 0.18 eggs g faeces . Ascaris lumbricoides was found in 0.4 of the children while ...