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Animal Feces Contribute to Domestic Fecal Contamination: Evidence from E. coli Measured in Water, Hands, Food, Flies, and Soil in Bangladesh

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dc.contributor.authorErcumen, Ayse
dc.contributor.authorPickering, Amy J.
dc.contributor.authorKwong, Laura H.
dc.contributor.authorArnold, Benjamin F.
dc.contributor.authorParvez, Sarker Masud
dc.contributor.authorAlam, Mahfuja
dc.contributor.authorSen, Debashis
dc.contributor.authorIslam, Sharmin
dc.contributor.authorKullmann, Craig
dc.contributor.authorChase, Claire
dc.contributor.authorAhmed, Rokeya
dc.contributor.authorUnicomb, Leanne
dc.contributor.authorLuby, Stephen P.
dc.contributor.authorColford, John M., Jr.
dc.date.accessioned2019-03-12T14:35:42Z
dc.date.available2019-03-12T14:35:42Z
dc.date.issued2017-07-07
dc.description.abstractFecal-oral pathogens are transmitted through complex, environmentally mediated pathways. Sanitation interventions that isolate human feces from the environment may reduce transmission but have shown limited impact on environmental contamination. We conducted a study in rural Bangladesh to (1) quantify domestic fecal contamination in settings with high on-site sanitation coverage; (2) determine how domestic animals affect fecal contamination; and (3) assess how each environmental pathway affects others. We collected water, hand rinse, food, soil, and fly samples from 608 households. We analyzed samples with IDEXX Quantitray for the most probable number (MPN) of E. coli. We detected E. coli in source water (25%), stored water (77%), child hands (43%), food (58%), flies (50%), ponds (97%), and soil (95%). Soil had >120 000 mean MPN E. coli per gram. In compounds with vs without animals, E. coli was higher by 0.54 log10 in soil, 0.40 log10 in stored water and 0.61 log10 in food (p < 0.05). E. coli in stored water and food increased with increasing E. coli in soil, ponds, source water and hands. We provide empirical evidence of fecal transmission in the domestic environment despite on-site sanitation. Animal feces contribute to fecal contamination, and fecal indicator bacteria do not strictly indicate human fecal contamination when animals are present.en
dc.identifier.citationEnvironmental Science and Technology
dc.identifier.doi10.1596/31369
dc.identifier.urihttps://hdl.handle.net/10986/31369
dc.publisherAmerican Chemical Society
dc.rightsCC BY 3.0 IGO
dc.rights.holderWorld Bank
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/igo
dc.subjectSANITATION
dc.subjectRURAL HEALTH
dc.subjectDOMESTIC ANIMALS
dc.subjectFECAL CONTAMINATION
dc.subjectWATER AND SANITATION
dc.subjectLATRINE
dc.titleAnimal Feces Contribute to Domestic Fecal Contaminationen
dc.title.subtitleEvidence from E. coli Measured in Water, Hands, Food, Flies, and Soil in Bangladeshen
dc.typeJournal Articleen
dc.typeArticle de journalfr
dc.typeArtículo de revistaes
dspace.entity.typePublication
okr.associatedcontenthttps://pubs.acs.org/doi/10.1021/acs.est.7b01710 Journal website (version of record)en
okr.crossref.titleAnimal Feces Contribute to Domestic Fecal Contamination: Evidence from E. coli Measured in Water, Hands, Food, Flies, and Soil in Bangladesh
okr.date.disclosure2019-03-12
okr.doctypePublications & Research::Journal Article
okr.doctypePublications & Research
okr.externalcontentExternal Content
okr.guid919321555503474990
okr.identifier.doi10.1021/acs.est.7b01710
okr.identifier.doi10.1596/31369
okr.identifier.report136135
okr.journal.nbpages8725-34
okr.language.supporteden
okr.peerreviewAcademic Peer Review
okr.region.administrativeSouth Asia
okr.region.countryBangladesh
okr.topicHealth, Nutrition and Population::Health and Sanitation
okr.topicWater Supply and Sanitation::Rural Water Supply and Sanitation
okr.unitWater Global Practice
okr.volume51(15)
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