| polyparasitism with schistosoma haematobium and soil-transmitted helminth infections among school children in loum, cameroon. | prevalence and abundance of schistosoma haematobium and soil-transmitted helminths (sth) were assessed among a total of 1600 pupils (urine, n = 1190; faecal samples, n = 1454) attending five schools in loum, littoral province, cameroon, with the specific aim of assessing the extent of polyparasitism and the extent to which infections were focused in particular subsets of the study group. prevalence of s. haematobium was 62.8% with an abundance (arithmetic mean of egg counts) of 54 eggs/10 ml uri ... | 2003 | 14629763 |