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Persistence of Legionella in hospital water supplies and nosocomial Legionnaires' disease

The molecular epidemiology of clinical and environmental Legionella species isolates was studied in seven hospitals from 1989 to 2006. The number of environmental pulsed field gel electrophoresis (PFGE) patterns ranged from one to nine according to the hospital. Genomic PFGE pattern persistence was...

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Published in:FEMS immunology and medical microbiology 2008-03, Vol.52 (2), p.202-206
Main Authors: Garcia-Nuñez, Marian, Sopena, Nieves, Ragull, Sonia, Pedro-Botet, Maria Luisa, Morera, Josep, Sabria, Miguel
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description The molecular epidemiology of clinical and environmental Legionella species isolates was studied in seven hospitals from 1989 to 2006. The number of environmental pulsed field gel electrophoresis (PFGE) patterns ranged from one to nine according to the hospital. Genomic PFGE pattern persistence was observed in 71% of the hospitals, even after 17 years in some hospitals, and the relationship between environmental and clinical isolates was established. The isolates associated with hospital-acquired Legionnaires' disease corresponded to the persistent environmental PFGE patterns of Legionella pneumophila in potable water supplies.
doi_str_mv 10.1111/j.1574-695X.2007.00362.x
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identifier ISSN: 0928-8244
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source Oxford Journals Online
subjects Clinical isolates
Cluster Analysis
Cross Infection - epidemiology
DNA Fingerprinting
DNA, Bacterial - genetics
Drinking water
Electrophoresis
Electrophoresis, Gel, Pulsed-Field
Epidemiology
Gel electrophoresis
Genotype
hospital-acquired Legionnaires' disease
Hospitals
Humans
Legionella
Legionella pneumophila - classification
Legionella pneumophila - isolation & purification
Legionnaire's disease
Legionnaires' disease
Legionnaires' Disease - epidemiology
Legionnaires' disease bacterium
Molecular Epidemiology
Nosocomial infection
persistence
PFGE typing
Water Microbiology
Water Supply
title Persistence of Legionella in hospital water supplies and nosocomial Legionnaires' disease
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