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. [10.1016/j.ajic.2011.03.008]

Control of Legionella contamination in a hospital water distribution system by monochloramine

MARCHESI, Isabella;FREZZA, Giuseppina;BORELLA, Paola;BARGELLINI, Annalisa
2012

Abstract

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.
2012
40
279
281
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. [10.1016/j.ajic.2011.03.008]
Marchesi, Isabella; S., Cencetti; P., Marchegiano; Frezza, Giuseppina; Borella, Paola; Bargellini, Annalisa
File in questo prodotto:
File Dimensione Formato  
Am J Infec Control 2012.pdf

Accesso riservato

Descrizione: Articolo principale
Tipologia: Versione pubblicata dall'editore
Dimensione 142.97 kB
Formato Adobe PDF
142.97 kB Adobe PDF   Visualizza/Apri   Richiedi una copia
Pubblicazioni consigliate

Licenza Creative Commons
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/649212
Citazioni
  • ???jsp.display-item.citation.pmc??? 11
  • Scopus 42
  • ???jsp.display-item.citation.isi??? 35
social impact