Fig. 4From: Urogenital schistosomiasis and soil-transmitted helminthiasis (STH) in Cameroon: An epidemiological update at Barombi Mbo and Barombi Kotto crater lakes assessing prospects for intensified control interventionsSchematic plot of snail collecting sites at Barombi Mbo and Barombi Kotto. a Barombi Mbo is aprroximately 2.5Â km in diameter with human water contact sites at either side of the lake, b southern lake shore, c northern lake shore, all sample sites (green pins); sites where snails were found are indicated by red pins. d Barombi Kotto is approximately 1.2Â km in diameter with water contact sites largely spread around the whole shoreline. Location of all sampling sites (green pins); sites where snails were found are indicated by red pins. e Location of sampling site on the central inhabited island of Barombi KottoBack to article page