Human filariasis in Dass local government area of Bauchi state, Nigeria

In Dass area of Bauchi state Northern Nigeria we studied the infection rates, intensity and clinical manifestations of human filarial infections. After an initial census, 1,638 persons who presented themselves were physically examined from a total population of 53.213. Two hundred and fifteen (20.3%) of 1059 males and 99 (19.1%) of 569 females examined had filarial infections. Overall, 314 (19.2%) persons were infected. Microfilariae of Onchocerca volvulus, Wuchereria bancrofti, Mansonella streptocerca, Loa loa and Mansonella oerstans were encountered. Altogether, human filariasis varied significantly among communities, sex, ages and various occupational categories (P