diarrhoeagenic escherichia coli and other causes of childhood diarrhoea: a case-control study in children living in a wastewater-use area in hanoi, vietnam. | a case-control study was conducted to identify the aetiology of diarrhoeal diseases in pre-school children in a suburban area of hanoi where the use of untreated wastewater in agriculture and aquaculture is a common practice. stool specimens and clinical information were collected from 111 pairs of children with diarrhoea and healthy controls. a total of 73 cases (66 %) and 41 controls (36 %) had an enteric pathogen. the pathogens most often associated with diarrhoea were rotavirus (17 % of case ... | 2007 | 17644717 |