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  • Title: [The detection of legionellae in a water pipe system using gene probe technics and culture methods].
    Author: Bauer R, Hahn T, Botzenhart K.
    Journal: Zentralbl Hyg Umweltmed; 1990 May; 190(1-2):78-83. PubMed ID: 2393493.
    Abstract:
    In a new hospital building, cold and warm water systems were examined for microbiological parameters before opening. All of the 35 sampling sites showed elevated colony counts, i.e. greater than 100 cfu/ml. 11 of these contained Legionella species at various times. While Escherichia coli, coliform bacteria and Pseudomonas aeruginosa could not be found, Legionella longbeachae serogroup 1 + 2 was identified in 13 samples. Only one sample contained Legionella pneumophila serogroup 3. Legionella species were detected using a commercial gene probe assay and culture techniques. The gene probe method proved to be superior to the culture techniques insofar as significantly positive results were obtained more frequently, and evidence for the presence of Legionella of different species and serogroups could be obtained with a single procedure. The gene probe method appears to be a suitable screening method for the detection of Legionella species.
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