Address correspondence to Catherine W. M. Ong, Division of Infectious Disease, Department of Medicine, National University Health System, 5 Lower Kent Ridge Road, Singapore 119074. E-mail:
Authors’ addresses: Catherine W. M. Ong and Paul A. Tambyah, Division of Infectious Disease, Department of Medicine, National University Health System, 5 Lower Kent Ridge Road, Singapore 119074, Tel: 65-6772-4362/4380, Fax: 65-6779-4361. Shir Ying Lee, Department of Haematology, National University Health System, 5 Lower Kent Ridge Road, Singapore 119074, Tel: 65-6772-4362, Fax: 65-6779-4361. Wee Hong Koh and Eng-Eong Ooi, Defence Medical and Environmental Research Institute, 27 Medical Drive, Singapore 11750, Tel: 65-6776-2255, Fax: 65-6775-9011.
Acknowledgments: The authors thank Seok Wei Chew for helping with the definitive testing by molecular methods for this case. KWH and OEE conducted the molecular analysis of the specimen. LSY made the figures. CWMO, PAT, and OEE all contributed in writing the paper.
Disclosure: PAT has received research support from Baxter, Pfizer, Merck, Wyeth, and Interimmune.
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