Background: We report the results of 1-year application of monochloramine to control Legionella pneumophila contamination in a hospital hot water distribution system. Methods: In the main building of the hospital, a device continuously distributing monochloramine was installed. Legionella pneumophila and Pseudomonas spp contamination was followed in comparison with 2 other water networks in the same building using chlorine dioxide. Results: Monochloramine significantly reduced the number of contaminated sites compared with baseline (from 97.0% to 13.3%, respectively), chlorine dioxide device I (from 100% to 56.7%, respectively), and device II (from 100% to 60.8%, respectively). No positive sample exceeded 104 colony-forming units/L versus 59.4% at baseline. Conclusion: Monochloramine could represent a good alternative to chlorine dioxide in controlling legionellae contamination in public and private buildings.
Control of Legionella contamination in a hospital water distribution system by monochloramine / Marchesi, Isabella; S., Cencetti; P., Marchegiano; Frezza, Giuseppina; Borella, Paola; Bargellini, Annalisa. - In: AMERICAN JOURNAL OF INFECTION CONTROL. - ISSN 0196-6553. - STAMPA. - 40(2012), pp. 279-281.
Data di pubblicazione: | 2012 |
Titolo: | Control of Legionella contamination in a hospital water distribution system by monochloramine |
Autore/i: | Marchesi, Isabella; S., Cencetti; P., Marchegiano; Frezza, Giuseppina; Borella, Paola; Bargellini, Annalisa |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.ajic.2011.03.008 |
Rivista: | |
Volume: | 40 |
Pagina iniziale: | 279 |
Pagina finale: | 281 |
Codice identificativo ISI: | WOS:000301952500021 |
Codice identificativo Scopus: | 2-s2.0-84858796663 |
Codice identificativo Pubmed: | 21741121 |
Citazione: | Control of Legionella contamination in a hospital water distribution system by monochloramine / Marchesi, Isabella; S., Cencetti; P., Marchegiano; Frezza, Giuseppina; Borella, Paola; Bargellini, Annalisa. - In: AMERICAN JOURNAL OF INFECTION CONTROL. - ISSN 0196-6553. - STAMPA. - 40(2012), pp. 279-281. |
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