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Molecular Identification of Trichinella papuae from a Thai Patient with Imported Trichinellosis

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  • Departments of Parasitology and Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Research and Diagnostic Center for Emerging Infectious Diseases, Khon Kaen University, Khon Kaen, Thailand; Division of Cell Biology, Department of Preclinical Sciences, Faculty of Medicine, Thammasat University, Rangsit Campus, Pathum Thani, Thailand; Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Previously, we reported the presence of imported trichinellosis in a Thai worker returning from Malaysia, who presented with progressive generalized muscle hypertrophy and weakness after eating wild boar meat. This work analyzed a partial small subunit of a mitochondrial ribosomal RNA gene of Trichinella larvae isolated from the patient. The results showed complete identity with a mitochondrial RNA gene of Trichinella papuae (GenBank accession no. EF517130). This is the first report of imported trichinellosis in Thailand caused by T. papuae. It is possible that T. papuae is widely distributed in the wildlife of Southeast Asia.

Author Notes

*Address correspondence to Wanchai Maleewong, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand. E-mail: wanch_ma@kku.ac.th

Financial support: This research was supported by grants from the National Science and Technology Development Agency (Discovery Based Development Grant); the Office of the Higher Education Commission; the National Research Council of Thailand; and Khon Kaen University (National Research University Project), Thailand.

Authors' addresses: Pewpan M. Intapan, Oranuch Sanpool, and Wanchai Maleewong, Department of Parasitology, Faculty of Medicine, and Research and Diagnostic Center for Emerging Infectious Diseases, Khon Kaen University, Khon Kaen, Thailand, E-mails: pewpan@kku.ac.th, chimy_6891@hotmail.com, and wanch_ma@kku.ac.th. Verajit Chotmongkol, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand, E-mail: chotmongkolverajit@yahoo.com. Chairat Tantrawatpan, Research and Diagnostic Center for Emerging Infectious Diseases, Khon Kaen University, Khon Kaen, Thailand; and the Division of Cell Biology, Department of Preclinical Sciences, Faculty of Medicine, Thammasat University, Rangsit Campus, Pathum Thani, Thailand, E-mail: talent3003@yahoo.com. Nimit Morakote, Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand, E-mail: nimit@med.cmu.ac.th.

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