Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 10, Number 3—March 2004
Research

Legionella Infection Risk from Domestic Hot Water

Paola Borella*Comments to Author , M. Teresa Montagna†, Vincenzo Romano-Spica‡§, Serena Stampi¶, Giovanna Stancanelli#, Maria Triassi**, Rachele Neglia*, Isabella Marchesi*, Guglielmina Fantuzzi*, Daniela Tatò†, Christian Napoli†, Gianluigi Quaranta‡, Patrizia Laurenti‡, Erica Leoni¶, Giovanna De Luca§, Cristina Ossi#, Matteo Moro#, and Gabriella Ribera D’Alcalà**
Author affiliations: *University of Modena and Reggio E., Modena, Italy; †University of Bari, Bari, Italy; ‡Catholic University in Rome, Rome, Italy; §University Institute of Physics Sciences, Rome, Italy,; ¶University of Bologna, Bologna, Italy; #S. Raffaele Hospital, Milan, Italy; **University Federico II of Naples, Naples, Italy

Main Article

Table 3

Characteristics of Legionella contamination in the examined domestic hot water

Characteristic Legionella spp. total L. pneumophila serogroup 1 L. pneumophila serogroups 2–14 Other Legionella species
Positive samples
n (%)
 33/146 (22.6)
 6/33 (18.2)
 19/33 (57.6)
 8/33 (24.2)
Count (CFU/L)
Geometric mean 1.17 × 103 0.96 × 103 0.94 × 103 2.30 × 103
Median 1.85 × 103 0.89 × 103 1.85 × 103 3.16 × 103
5th percentile 54 100 25 100
95th percentile
 4.1 × 104
 5 × 103
 3 × 104
 8.8 × 104
Distribution n (%)
1–9.9×102 CFU/L 15/33 (45.4) 3/6 (50.0) 9/19 (47.4) 3/8 (37.5)
103–9.9 × 103 CFU/L 15/33 (45.4) 3/6 (50.0) 8/19 (42.1) 4/8 (50.0)
>104 CFU/L 3/33 (9.2) 0/6 (0.0) 2/19 (10.5) 1/8 (12.5)

Main Article

Page created: February 08, 2011
Page updated: February 08, 2011
Page reviewed: February 08, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external