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Applied and Environmental Microbiology, June 2005, p. 3364-3368, Vol. 71, No. 6
0099-2240/05/$08.00+0 doi:10.1128/AEM.71.6.3364-3368.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
Environmental Contamination with Vancomycin-Resistant Enterococci from Hospital Sewage in Portugal
Carla Novais,1
Teresa M. Coque,2
Helena Ferreira,1
João Carlos Sousa,3 and
Luisa Peixe1*
REQUIMTE Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal,1
Servicio de Microbiología, Hospital Universitario Ramón y Cajal, Madrid, Spain,2
Microbiologia, Faculdade Ciências da Saúde, Universidade Fernando Pessoa, Porto, Portugal3
Received 27 September 2004/
Accepted 20 December 2004
Vancomycin-resistant enterococci (VRE) were detected in samples of sewage obtained downstream of hospitals of the Porto area in Portugal, and in samples from the Douro Estuary. Clonal analysis, Tn1546 typing, and presence of putative virulence traits indicate the clinical origin of these isolates. This observation highlights the importance of hospital sewage in the VRE contamination of the environment.
* Corresponding author. Mailing address: Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Rua Aníbal Cunha, 4050 Porto, Portugal. Phone: 351-2-22078946. Fax: 351-2-22003977. E-mail:
lpeixe{at}ff.up.pt.
Applied and Environmental Microbiology, June 2005, p. 3364-3368, Vol. 71, No. 6
0099-2240/05/$08.00+0 doi:10.1128/AEM.71.6.3364-3368.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
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