Fig. 1From: Trends in black fly density, parity and infection rates from riverside to villages of the Bafia Health District in Cameroon: implication for onchocerciasis vector controlStudy area showing the catch points. P1, Catch points in both villages located at the riverside; P2, catch points in both villages located at about 1 km from the riverside; P3, catch points in both villages located at about 2 km from the riversideBack to article page