| bancroftian filariasis on pemba island, zanzibar, tanzania: an update on the status in urban and semi-urban communities. | cross-sectional clinical, parasitological and entomological surveys for bancroftian filariasis were conducted in konde, chake chake and kengeja, three urban and semiurban communities on pemba island, and the results were compared with similar surveys done 15 years earlier. the overall prevalences of clinical manifestations among males aged 15 years or more (n = 614) was remarkably similar to those recorded 15 years earlier: elephantiasis 1.4% in 1975 and 1.1% in 1990; hydrocele, 22.4% and 21.8%, ... | 1999 | 10320655 |