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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 1

Summary of confirmed legionellosis cases and results of environmental PCR testing in the case-patients’ merchant vessel cabins, August 2015*

Case-patient
 Age, y
 Onset
 Infection
 Hospital
 UAT
 Serology
 PCR†
 Cabin no.
 Cabin samples (Aug 27)
Shower water
 Shower-head swab
 Bathroom sink faucet
1 54 Aug 12 Lower respiratory Regional + _ + 22 + _ +
2 55 Aug 19 Lower respiratory Tertiary + _ + 18 + + +
3 48 Aug 10 Mild respiratory Not required _ Conversion (0–2,048) _ 29 NA‡ NA‡ NA‡

*NA, not available; UAT, urinary antigen test; +, positive; –-, negative.
†PCR-positive Legionella pneumophila.
‡Cabin in use on August 27, 2015. Water from hand basin faucet collected on August 20 by private agency was culture negative.

Main Article

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