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Treatment of a Legionella pneumophila-colonized water distribution system using copper-silver ionization and
A Biurrun1, L Caballero, C Pelaz
1Department of Preventive Medicine, Nta Sra del Prado Hospital, Talavera de la Reina (Toledo), Spain.
Infection Control and Hospital Epidemiology
|July 8, 1999
Abstract:
The detection in April 1997 of a case of nosocomial legionellosis in our hospital led to the discovery that both our hot- and cold-water circuits were heavily colonized with Legionella pneumophila. Conventional methods for eradication of the organisms were unsuccessful, so a copper-silver (Cu-Ag) ionization system and a continuous chlorination system were installed. Five months later, the number of colonized sites decreased from an initial 58.3% to 16.7%.