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Impact of drainage and sewerage on intestinal nematode infections in poor urban areas in Salvador, Brazil

Moraes, L.R.S.; Cancio, J.A.; Cairncross, S.
Transactions of the Royal Society of Tropical Medicine and Hygiene, 2004; 98(4):197-204
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pub_id
15049458
pubmedid
15049458
ISI
220248000001
reference_type
Journal Article
author
Moraes, L.R.S.; Cancio, J.A.; Cairncross, S.
title
Impact of drainage and sewerage on intestinal nematode infections in poor urban areas in Salvador, Brazil
secondary_title
Transactions of the Royal Society of Tropical Medicine and Hygiene
ISBNISSN
0035-9203
volume
98
number
4
pages
197-204
year
2004
abstract
This cross-sectional study was conducted in 1989 among children aged between 5 and 14 years old living in nine poor urban areas of the city of Salvador (pop. 2.44 million), capital of Bahia State, in Northeast Brazil. Three of these areas had benefited from both drainage and sewerage, 3 from improved drainage only, and 3 from neither. The children studied thus belonged to 3 exposure groups regarding their level of sanitation infrastructure. An extensive questionnaire was applied to collect information on each child and on the conditions of the household, and stool examinations of the children 5-14 years old were performed to measure nematode infection. Comparison of the sewerage group with the drainage-only group and the latter with the control (no sewerage or drainage) group showed that, when the level of community sanitation was better, the prevalence of infection among children was less, but risk factors identified for infection were more numerous and more significant. Intensity of infection with Trichuris, but not with Ascaris or hookworm, was also less. The results suggest that sewerage and drainage can have a significant effect on intestinal nematode infections, by reducing transmission occurring in the public domain.
keywords
Ascaris; Trichuris; Hookworm; Children; Risk factors; Sanitation; Brazil
secondary_author
place_published
publisher
number_of_volumes
tertiary_author
tertiary_title
edition
date
April 2004
type_of_work
subsidiary_author
alternate_title
Trans R Soc Trop Med Hyg Trans Roy Soc Trop Med Hyg
call_number
accession_number
15049458
custom_1
WOS OK
custom_2
Unknown
custom_3
custom_4
10.1016/s0035-9203(03)00043-9
custom_5
Subscription Required
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=15049458
author_address
library
15049458 23221169 S0035920303000439
date_accepted
date_online
created
2004-04-01 11:12:25
modified
2016-07-08 00:00:00
library

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<ArticleId IdType="pii">S0035920303000439</ArticleId>