A cross-sectional community-based study was carried out in Khartoum urban area aimed at stratifying the area by risk of malaria transmission. Two thousand households (8092 individuals) were surveyed during the cold, dry and rainy seasons of 2002. Households with screened windows, using bednets or both were 5.0% (95% CI: 4.1-6.0), 10.9% (95% CI: 9.5-12.3) and 1.8% (95% CI: 1.2-2.5) respectively. Access to health services was high. Only 3.8% (95% CI: 2.9-4.7) of households kept antimalarial drugs

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... at home. The parasite rate, spleen rate and fever rate were very low (0.21%, 0.17% and 0.97% respectively). Overall, people in Greater Bahry suffer a greater burden of malaria than those in Greater Khartoum or Greater Omdurman, with a seasonal pattern of transmission.