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Domestic transmission routes of pathogens: the problem of in- house contamination of drinking water during storage in developing countries

Jensen, P. K.; Ensink, J. H. J.; Jayasinghe, G.; van der Hoek, W.; Cairncross, S.; Dalsgaard, A.
Tropical Medicine & International Health, 2002; 7(7):604-9
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pub_id
12100444
pubmedid
12100444
ISI
176572800009
reference_type
Journal Article
author
Jensen, P. K.; Ensink, J. H. J.; Jayasinghe, G.; van der Hoek, W.; Cairncross, S.; Dalsgaard, A.
title
Domestic transmission routes of pathogens: the problem of in- house contamination of drinking water during storage in developing countries
secondary_title
Tropical Medicine & International Health
ISBNISSN
1360-2276
volume
7
number
7
pages
604-9
year
2002
abstract
Even if drinking water of poor rural communities is obtained from a 'safe' source, it can become contaminated during storage in the house. To investigate the relative importance of this domestic domain contamination, a 5-week intervention study was conducted. Sixty-seven households in Punjab, Pakistan, were provided with new water storage containers (pitchers): 33 received a traditional wide-necked pitcher normally used in the area and the remaining 34 households received a narrow-necked water storage pitcher, preventing direct hand contact with the water. Results showed that the domestic domain contamination with indicator bacteria is important only when the water source is relatively clean, i.e. contains less than 100 Escherichia coli per 100 ml of water. When the number of E. coli in the water source is above this value, interventions to prevent the domestic contamination would have a minor impact on water quality compared with public domain interventions. Although the bacteriological water quality improved, elimination of direct hand contact with the stored water inside the household could not prevent the occasional occurrence of extreme pollution of the drinking water at its source. This shows that extreme contamination values that are often thought to originate within the domestic domain have to be attributed to the public domain transmission, i.e. filling and washing of the water pitchers. This finding has implications for interventions that aim at the elimination of these extreme contaminations.
keywords
drinking water storage; domestic contamination; Escherichia coli; water quality Escherichia-coli; diarrheal disease; enumeration; coliforms; strategy ; Bacterial Infections; prevention & control; transmission; Developing Countries; Environmental Monitoring; Escherichia coli; isolation & purification; Household Articles; standards; Housing; Human; Pakistan; Rural Population; Support, Non-U.S. Gov't; Water Microbiology; standards; Water Pollution; prevention & control; Water Supply;
secondary_author
place_published
publisher
number_of_volumes
tertiary_author
tertiary_title
edition
date
Jul
type_of_work
subsidiary_author
alternate_title
Trop. Med. Int. Health
call_number
accession_number
12100444
custom_1
WOS OK
custom_2
Unknown
custom_3
custom_4
10.1046/j.1365-3156.2002.00901.x
custom_5
Free
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=Abstract&list_uids=12100444
author_address
Department of Veterinary Microbiology, The Royal Veterinary and Agricultural University, Frederiksberg, Denmark.
library
12100444 901
date_accepted
date_online
created
2003-07-30 10:35:51
modified
2016-07-08 00:00:00
library

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<ArticleId IdType="pii">901</ArticleId>