嗜肺军团菌属对酒店供水系统造成污染的风险因素。
Risk factors for contamination of hotel water distribution systems by Legionella species.
作者信息
Mouchtouri Varvara, Velonakis Emmanuel, Tsakalof Andreas, Kapoula Christina, Goutziana Georgia, Vatopoulos Alkiviadis, Kremastinou Jenny, Hadjichristodoulou Christos
机构信息
Department of Hygiene and Epidemiology, Faculty of Medicine, University of Thessaly, 22 Papakiriazi Str., Larissa 41222, Greece.
出版信息
Appl Environ Microbiol. 2007 Mar;73(5):1489-92. doi: 10.1128/AEM.02191-06. Epub 2007 Jan 19.
Abstract
The Legionella colonization frequency at 385 Greek hotel hot and cold water distribution systems was 20.8%. Legionella contamination was associated with the presence of an oil heater (odds ratio [OR]=2.04, 95% confidence interval [CI]=1.12 to 3.70), with the sample temperature (OR=0.26, 95% CI=0.1 to 0.5), with seasonal operation (OR=3.23, 95% CI=1.52 to 6.87), and with the presence of an independent disinfection system (OR=0.30, 95% CI=0.15 to 0.62). The same water temperatures, free-chlorine levels, and pHs differently affect the survival of various Legionella spp.
摘要
在希腊385个酒店冷热水分配系统中军团菌的定植频率为20.8%。军团菌污染与油加热器的存在有关（比值比[OR]=2.04，95%置信区间[CI]=1.12至3.70），与样本温度有关（OR=0.26，95%CI=0.1至0.5），与季节性运行有关（OR=3.23，95%CI=1.52至6.87），以及与独立消毒系统的存在有关（OR=0.30，95%CI=0.15至0.62）。相同的水温、游离氯水平和pH值对不同军团菌属的存活有不同影响。
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