transmission of schistosoma haematobium in north gezira, sudan.during this 14-month study, 128 765 bulinus truncatus snails were collected from canals located near four villages in the northern part of the gezira irrigated area, and were examined for patent trematode infections, by exposure to light. in all, 903 shedded cercariae, of which 424 were identified as s. haematobium, and one village, bashagra, was the source of 80% of these s. haematobium infections. the highest density of snails occurred from march to may and the peak of snail infections occurre ...19854032531
integrated mapping of neglected tropical diseases: epidemiological findings and control implications for northern bahr-el-ghazal state, southern sudan.there are few detailed data on the geographic distribution of most neglected tropical diseases (ntds) in post-conflict southern sudan. to guide intervention by the recently established national programme for integrated ntd control, we conducted an integrated prevalence survey for schistosomiasis, soil-transmitted helminth (sth) infection, lymphatic filariasis (lf), and loiasis in northern bahr-el-ghazal state. our aim was to establish which communities require mass drug administration (mda) with ...200919859537
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