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Volume 24, Number 7—July 2018
Dispatch

Legionnaires’ Disease Outbreak on a Merchant Vessel, Indian Ocean, Australia, 2015

Timothy J.J. InglisComments to Author , Chantal Spittle, Hilary Carmichael, Jaala Downes, Marilina Chiari, Adrian McQueen-Mason, Adam J. Merritt, Meredith Hodge, Ronan J. Murray, and Gary K. Dowse
Author affiliations: PathWest Laboratory Medicine WA, Nedlands, Western Australia, Australia (T.J.J. Inglis, M. Chiari, A. McQueen-Mason, A.J. Merritt, M. Hodge, R.J. Murray); University of Western Australia, Crawley, Western Australia (T.J.J. Inglis, A.J. Merritt, M. Hodge, R.J. Murray); Shire of Esperance, Esperance, Western Australia (C. Spittle); Western Australia Country Health Service, Broome, Western Australia (H. Carmichael); Western Australia Department of Health, Shenton Park, Western Australia (J. Downes, G.K. Dowse); Sir Charles Gairdner Hospital, Nedlands (R.J. Murray)

Main Article

Table 2

Legionella pneumophila species PCR results from environmental samples collected on merchant vessel, Australia, 2015

Sample type
 Samples collected on vessel, by date
Dismantled showerheads
August 27
September 4
October 12
Reference laboratory testing
 Reference laboratory testing
 In-field testing
Reference laboratory testing
 Reference laboratory testing
Total
 PCR+
 Total
 PCR+
 Total
 PCR+
 Total
 PCR+
 Total
PCR+
Cabin shower heads 6 3 36 0 12 0 29 0 32 19
Cabin faucets 14 9 33 1 12 0 29 1 NA NA
Air conditioning 4 0 NA NA NA NA NA NA NA NA
Water supply 2 0 NA NA NA NA NA NA NA NA
Others 1 1 10 1 NA NA NA NA NA NA
Total results
 27
 13
79
 2
24
 0
58
 1
32
 19
PCR controls
Positive, Legionella 
DNA extract 2 2 2 2 2 2 2 2 2 2
Negative, ultrapure 
water
 6
 0
16
 0
5
 0
12
 0
6
 0
*NA, not applicable; +, positive.

Main Article

Page created: June 18, 2018
Page updated: June 18, 2018
Page reviewed: June 18, 2018
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.
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