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Effect of chlorination of drinking-water on water quality and childhood diarrhoea in a village in Pakistan

Jensen, P. K.; Ensink, J. H.; Jayasinghe, G.; van der Hoek, W.; Cairncross, S.; Dalsgaard, A.
J Health Popul Nutr, 2003; 21(1):26-31
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pub_id
12751671
pubmedid
12751671
ISI
182757700004
reference_type
Journal Article
author
Jensen, P. K.; Ensink, J. H.; Jayasinghe, G.; van der Hoek, W.; Cairncross, S.; Dalsgaard, A.
title
Effect of chlorination of drinking-water on water quality and childhood diarrhoea in a village in Pakistan
secondary_title
J Health Popul Nutr
ISBNISSN
1606-0997
volume
21
number
1
pages
26-31
year
2003
abstract
To evaluate the importance of public-domain transmission of pathogens in drinking-water, an intervention study was carried out by chlorinating the public water-supply system in a village in Pakistan. The water quality improved and reached a geometric mean of 3 Escherichia coli per 100 mL at the last standpipe of the water-supply system. Drinking-water source used and the occurrence of diarrhoea were monitored on a weekly basis over a six-month period among 144 children aged less than five years in the village. In this group, the children using chlorinated water from the water-supply scheme had a higher risk of diarrhoea than children using groundwater sources, controlled for confounding by season and availability of a toilet and a water-storage facility. The incidence of diarrhoea in the village (7.3 episodes per 10(3) person-days) was not statistically different from that in a neighbouring village where most children used water from a non-chlorinated water-supply system with very poor water quality. In this study area, under non-epidemic conditions, the reduction of faecal bacteria in the public drinking-water supply by chlorination does not seem to be a priority intervention to reduce childhood diarrhoea. However, the study was of limited size and cannot provide conclusive evidence.
keywords
Calcium Compounds/*pharmacology Child, Preschool Diarrhea/*microbiology/*prevention & control Human Intervention Studies Pakistan Support, Non-U.S. Gov't Water Microbiology/*standards Water Purification/*standards ; Calcium Compounds; pharmacology; Child, Preschool; Diarrhea; microbiology; prevention & control; Human; Intervention Studies; Pakistan; Support, Non-U.S. Gov't; Water Microbiology; standards; Water Purification; standards;
secondary_author
place_published
publisher
number_of_volumes
tertiary_author
tertiary_title
edition
date
Mar
type_of_work
subsidiary_author
alternate_title
call_number
accession_number
12751671
custom_1
DOI_NOT_FOUND_BY_WOS
custom_2
Unknown
custom_3
custom_4
custom_5
custom_6
10
label
2016-10-19
notes
Journal Article
url
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=12751671
author_address
Department of Veterinary Microbiology, The Royal Veterinary and Agricultural University, Stigbøjlen 4, 1870 Frederiksberg C, Denmark.
library
12751671
date_accepted
date_online
created
2003-12-09 09:41:22
modified
2016-07-08 00:00:00
library

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