title: Schistosomiasis among labouring communities in the Gezira irrigated area, Sudan.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004197:Disease Reservoirs; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012548:Schistosoma haematobium; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D012722:Sewage; D012908:Snails / Q000469:parasitology; D013397:Sudan; D014876:Water Pollution; D014881:Water Supply
chemical_list: D012722:Sewage