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Case Reports in Infectious Diseases
Volume 2013 (2013), Article ID 286347, 3 pages
http://dx.doi.org/10.1155/2013/286347
Case Report

Recreational Vehicle Water Tanks as a Possible Source for Legionella Infections

1Department of Pathology, Medical College of Georgia, Georgia Regents University, 1120 15th Street, Augusta, GA 30912, USA
2Department of Medicine, Medical College of Georgia, Georgia Regents University, 1120 15th Street, Augusta, GA 30912, USA
3Respiratory Diseases Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Disease, Centers for Disease Control and Prevention, Public Health Service, United States Department of Health and Human Services, 1600 Clifton Rd, Atlanta, GA 30333, USA
4Savannah River Site, Aiken, SC 29802, USA

Received 11 July 2013; Accepted 9 August 2013

Academic Editors: K. B. Bamford, L. M. Bush, and S. Talhari

Copyright © 2013 Christine M. Litwin et al. 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.

Abstract

We investigated recreational vehicle (RV) water reservoirs in response to a case of pneumonia in which Legionella pneumophila was cultured both from the patient and a RV reservoir in which he travelled. Water samples processed and cultured at the CDC according to standard protocol were positive for Legionella spp. in 4/17 (24%) faucets, 1/11 (9%) water tanks from 4/20 (20%) RVs from three different campsites. Legionella spp. that were isolated included L. pneumophila (serogroups 1 and 6), L. anisa, L. feeleii, and L. quateriensis. Environmental controls from the potable water of the three campsites were culture-negative. A survey of maintenance practices by the RV users at the campsites revealed that chlorine disinfection of the water tanks was rarely performed. To prevent the possibility of Legionella infections, RV owners should implement regular chlorine disinfection of their water tanks and follow the recommended maintenance guidelines according to their owner's manuals.