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  • Title: Treatment of a Legionella pneumophila-colonized water distribution system using copper-silver ionization and continuous chlorination.
    Author: Biurrun A, Caballero L, Pelaz C, León E, Gago A.
    Journal: Infect Control Hosp Epidemiol; 1999 Jun; 20(6):426-8. PubMed ID: 10395146.
    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%.
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