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Int. J. Environ. Res. Public Health 2016, 13(2), 216; doi:10.3390/ijerph13020216

Pathogens in Ornamental Waters: A Pilot Study

Department of Environmental Health (DSA), National Institute of Health Dr Ricardo Jorge (INSA), Avenida Padre Cruz, Lisboa 1649-016, Portugal
Department of Infectious Diseases (DDI), INSA, Avenida Padre Cruz, Lisboa 1649-016, Portugal
Departament of Chemical Engineering, Instituto Superior Técnico, University of Lisboa (UL), Av Rovisco Pais, Lisboa 1049-001, Portugal
Faculty of Farmacy, Departament of Microbiology and Imunology; iMed.UL, UL, Av Prof Gama Pinto, Lisboa 1649-003, Portugal
Authors to whom correspondence should be addressed.
Academic Editors: Helena Solo-Gabriele and Alesia Ferguson
Received: 19 November 2015 / Revised: 12 January 2016 / Accepted: 3 February 2016 / Published: 15 February 2016
(This article belongs to the Special Issue Children’s Exposure to Environmental Contaminants)
View Full-Text   |   Download PDF [1036 KB, uploaded 15 February 2016]   |  


In parks, ornamental waters of easy access and populated with animals are quite attractive to children and yet might hide threats to human health. The present work focuses on the microbiota of the ornamental waters of a Lisboa park, characterized during 2015. The results show a dynamic microbiota integrating human pathogens such as Klebsiella pneumoniae, Aeromonas spp. and Enterobacter spp., and also antibiotic resistant bacteria. K. pneumoniae and Aeromonas spp. were present as planktonic and biofilm organized bacteria. In vitro K. pneumoniae and Aeromonas spp. showed an enhanced ability to assemble biofilm at 25 °C than at 37 °C. Bacteria recovered from biofilm samples showed an increased antibiotic resistance compared to the respective planktonic counterparts. View Full-Text
Keywords: waterborne pathogens; children’s health; play behavior; environmental exposures; biofilms waterborne pathogens; children’s health; play behavior; environmental exposures; biofilms

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Nascimento, M.; Rodrigues, J.C.; Reis, L.; Nogueira, I.; Carvalho, P.A.; Brandão, J.; Duarte, A.; Jordao, L. Pathogens in Ornamental Waters: A Pilot Study. Int. J. Environ. Res. Public Health 2016, 13, 216.

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