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We performed a statistical and geospatial analysis. Human stool samples, tap water and river water were tested for pathogens. Of the 1185 persons living in the 528 responding households, 222 (18\u00b77%) reported symptoms of gastroenteritis during the time period 6\u201313 December. Drinking tap water was significantly associated with an increased risk for gastroenteritis (relative risk 3\u00b767, 95% confidence interval 2\u00b786\u20134\u00b770) as was place of residence.<jats:italic>Campylobacter<\/jats:italic>sp. (2\/56), norovirus GI and GII (11\/56), rotavirus (1\/56) and<jats:italic>Giardia lamblia<\/jats:italic>(3\/56) were detected in stool samples. Tap water samples tested positive for faecal indicator bacteria and protozoa. The results support the hypothesis that a point-source contamination of the tap water with river water was the cause of the multi-pathogen waterborne outbreak.<\/jats:p>","DOI":"10.1017\/s0950268814001629","type":"journal-article","created":{"date-parts":[[2014,7,25]],"date-time":"2014-07-25T13:02:35Z","timestamp":1406293355000},"page":"711-719","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":50,"title":["A large community outbreak of gastroenteritis associated with consumption of drinking water contaminated by river water, Belgium, 2010"],"prefix":"10.1017","volume":"143","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5637-4613","authenticated-orcid":false,"given":"T.","family":"BRAEYE","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"DE SCHRIJVER","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"WOLLANTS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"van RANST","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"VERHAEGEN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2014,7,25]]},"reference":[{"key":"S0950268814001629_ref8","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2334-8-128"},{"key":"S0950268814001629_ref17","doi-asserted-by":"publisher","DOI":"10.1017\/S095026880999015X"},{"key":"S0950268814001629_ref13","doi-asserted-by":"publisher","DOI":"10.1017\/S0950268810003146"},{"key":"S0950268814001629_ref30","doi-asserted-by":"publisher","DOI":"10.1017\/S0950268897008431"},{"key":"S0950268814001629_ref40","doi-asserted-by":"publisher","DOI":"10.1017\/S095026881300006X"},{"key":"S0950268814001629_ref27","first-page":"153","article-title":"Outbreak of cryptosporidiosis associated with a firefighting response\u00a0\u2013\u00a0Indiana and Michigan, June 2011","volume":"61","year":"2012","journal-title":"Morbidity and Mortality Weekly Report"},{"key":"S0950268814001629_ref23","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v039.i01"},{"key":"S0950268814001629_ref1","unstructured":"Microrisk. 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