Effectiveness of different methods to control legionella in the water supply: ten-year experience in an Italian university hospital.

@article{Marchesi2011EffectivenessOD,
  title={Effectiveness of different methods to control legionella in the water supply: ten-year experience in an Italian university hospital.},
  author={Isabella Marchesi and Patrizia Marchegiano and Annalisa Bargellini and Stefano Cencetti and Giuseppina Frezza and Manuela Miselli and Paola Borella},
  journal={The Journal of hospital infection},
  year={2011},
  volume={77 1},
  pages={47-51}
}
We report our ten-year experience of hyperchlorination, thermal shock, chlorine dioxide, monochloramine, boilers and point-of-use filters for controlling legionella contamination in a hospital hot water distribution system. Shock disinfections were associated with a return to pre-treatment contamination levels within one or two months. We found that chlorine dioxide successfully maintained levels at <100 cfu/L, whilst preliminary experiments gave satisfactory results with monochloramine. No… CONTINUE READING

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Potable water and in-building distribution systems

R Bentham, S Surman-Lee, JV Lee, E Briand, D. Van de Kooj
Please cite this article in press as: Marchesi I, et al., Effectiveness of diff Journal of Hospital Infection • 2010

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