Legionella pneumophila in cooling towers: fluctuations in counts, determination of genetic variability by pulsed-field gel electrophoresis (PFGE), and persistence of PFGE patterns |
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| Authors: | Ragull Sonia Garcia-Nuñez Marian Pedro-Botet Maria Luisa Sopena Nieves Esteve Maria Montenegro Rafael Sabrià Miquel |
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| Institution: | Infectious Diseases Unit, Germans Trias i Pujol University Hospital, Cta Canyet s/n, 08916 Badalona (Barcelona), Spain. |
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| Abstract: | The concentrations of Legionella pneumophila in cooling towers may vary considerably over short periods of time, producing significant fluctuations throughout the year. Despite genetic variability, in small geographical areas the same indistinguishable pulsed-field gel electrophoresis patterns may be shared among different cooling towers and persist over time. |
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