Evidence map›Paper›PMID 35422497›Full record

ArticleNature microbiology2022

Drinking water chlorination has minor effects on the intestinal flora and resistomes of Bangladeshi children.

Maya L Nadimpalli, Val F Lanza, Maria Camila Montealegre, Sonia Sultana, Erica R Fuhrmeister, Colin J Worby, Lisa Teichmann, Lea Caduff, Jenna M Swarthout, Yoshika S Crider and 6 more

Abstract read
In one paragraph

Article in Nature microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

  1. Trial
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  8. Environmental Exposures and the Human Gut Resistome in Northwest Ecuador.medRxiv : the preprint server for health sciences · 2025
    Article
  9. Article
  10. Article
  11. Article
  12. Association between chlorine-treated drinking water, the gut microbiome, and enteric pathogen burden in young children in Haiti: An observational study.International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2024
    Observational
  13. Article
  14. Article
  15. Article
  16. Article
  17. Water chlorination and intestinal microbiota.Nature reviews. Gastroenterology & hepatology · 2022
    Article
  18. Gut-bladder axis in recurrent UTI.Nature microbiology · 2022
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors.

Maya L NadimpalliDepartment of Civil and Environmental Engineering, Tufts University, Medford, MA, USA.
Val F LanzaBioinformatics Unit, Ramón y Cajal Health Research Institute (IRYCIS), Madrid, Spain.
Maria Camila MontealegreEawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.ORCID http://orcid.org/0000-0001-9639-9690
Sonia SultanaInternational Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh.ORCID http://orcid.org/0000-0001-8499-3596
Erica R FuhrmeisterDepartment of Civil and Environmental Engineering, Tufts University, Medford, MA, USA.
Colin J WorbyInfectious Disease & Microbiome Program, Broad Institute, Cambridge, MA, USA.ORCID http://orcid.org/0000-0002-9132-7249
Lisa TeichmannEawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.
Lea CaduffEawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland.
Jenna M SwarthoutDepartment of Civil and Environmental Engineering, Tufts University, Medford, MA, USA.ORCID http://orcid.org/0000-0002-0181-0828
Yoshika S CriderEnergy and Resources Group, University of California Berkeley, Berkeley, CA, USA.ORCID http://orcid.org/0000-0003-3812-6517
Ashlee M EarlInfectious Disease & Microbiome Program, Broad Institute, Cambridge, MA, USA.ORCID http://orcid.org/0000-0001-7857-9145
Joe BrownDepartment of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA.
Stephen P LubyInfectious Diseases and Geographic Medicine, Stanford University, Stanford, CA, USA.ORCID http://orcid.org/0000-0001-5385-899X
Mohammad Aminul IslamInternational Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh.ORCID http://orcid.org/0000-0001-5107-5289
Timothy R Julian *Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland. tim.Julian@eawag.ch.ORCID http://orcid.org/0000-0003-1000-0306
Amy J Pickering *Stuart B. Levy Center for Integrated Management of Antimicrobial Resistance (Levy CIMAR), Tufts University, Boston, MA, USA. pickering@berkeley.edu.ORCID http://orcid.org/0000-0001-6193-2221

Funding

Viral Genomics: evolution, spread, and host interactionsU19AI110818 · NIAID · BROAD INSTITUTE, INC. · PI SABETI, PARDIS CHRISTINE · 2014 to 2024
$66.5M
CTSA Institutional Mentored Career Development Program (KL2)KL2TR002545 · NCATS · TUFTS UNIVERSITY BOSTON · PI FREUND, KAREN · 2018 to 2022
$5.0M
NCATS NIH HHS KL2 TR002545NIAID NIH HHS U19 AI110818
6 · The paper itself

Abstract

Healthy development of the gut microbiome provides long-term health benefits. Children raised in countries with high infectious disease burdens are frequently exposed to diarrhoeal pathogens and antibiotics, which perturb gut microbiome assembly. A recent cluster-randomized trial leveraging >4,000 child observations in Dhaka, Bangladesh, found that automated water chlorination of shared taps effectively reduced child diarrhoea and antibiotic use. In this substudy, we leveraged stool samples collected from 130 children 1 year after chlorine doser installation to examine differences between treatment and control children's gut microbiota. Water chlorination was associated with increased abundance of several bacterial genera previously linked to improved gut health; however, we observed no effects on the overall richness or diversity of taxa. Several clinically relevant antibiotic resistance genes were relatively more abundant in the gut microbiome of treatment children, possibly due to increases in Enterobacteriaceae. While further studies on the long-term health impacts of drinking chlorinated water would be valuable, we conclude that access to chlorinated water did not substantially impact child gut microbiome development in this setting, supporting the use of chlorination to increase global access to safe drinking water.

Indexed as

Drinking WaterGastrointestinal MicrobiomeWater PurificationBangladeshChildDiarrheaHalogenationHumansDrinking Water

Identifiers

PMID35422497
PMCPMC9249080

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.