| distribution patterns and cercarial shedding of bulinus nasutus and other snails in the msambweni area, coast province, kenya. | in the msambweni area of the kwale district in kenya, an area endemic for schistosoma haematobium, potential intermediate-host snails were systematically surveyed in water bodies associated with human contact that were previously surveyed in the 1980s. bulinus (africanus) nasutus, which accounted for 67% of the snails collected, was the only snail shedding s. haematobium cercariae. lanistes purpureus was the second most common snail (25%); lower numbers of bulinus forskalii and melanoides tuberc ... | 2004 | 15100463 |