Journal
FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY
Volume 47, Issue 1, Pages 42-44Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1574-695X.2006.00076.x
Keywords
Legionella pneumophila; mineral water; VBNC; immunocompromised patient; pneumonia; aspiration
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Sixty-eight commercial bottled mineral waters (64 brands, 68 different 'best-before dates') were tested for the presence of bacteria and fungi. Six samples were Legionella antigen positive and six were Legionella pneumophila PCR positive. Two samples were both Legionella antigen and L. pneumophila PCR positive. Legionella cultures were negative. Although the PCR might have detected only dead Legionella cells, the PCR has been described to detect specifically viable but not culturable (VBNC) L. pneumophila cells as well. Whether VBNC bacteria may be present in bottled mineral waters and the risk for infection this may pose for severely immunocompromised patients should be investigated.
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