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Infect Control Hosp Epidemiol. 1999 Jun;20(6):426-8.

Treatment of a Legionella pneumophila-colonized water distribution system using copper-silver ionization and continuous chlorination.

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1
Department of Preventive Medicine, Nta Sra del Prado Hospital, Talavera de la Reina (Toledo), Spain.

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%.

PMID:
10395146
DOI:
10.1086/501645
[Indexed for MEDLINE]
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