Use of Rapid Enzyme-Linked Immunosorbent Assays for Serological Screening of Melioidosis in Myanmar

Zin Zayar Win Biomedical Research Division, Nay Pyi Taw, Myanmar;

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Phornpun Phokrai Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand;

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Zarni Aung Biomedical Research Division, Nay Pyi Taw, Myanmar;

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Thein Zaw Biomedical Research Division, Nay Pyi Taw, Myanmar;

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Mary N. Burtnick Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, Nevada;

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Narisara Chantratita Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand;
Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand;

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Paul J. Brett Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, Nevada;

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Tin Maung Hlaing Defence Services Medical Research Centre, Nay Pyi Taw, Myanmar

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Burkholderia pseudomallei, the etiologic agent of melioidosis, is an important but under-recognized cause of disease in the tropics. Although first described over a century ago as a septicemic illness associated with morphine addicts in Rangoon, Burma, there is little information regarding the incidence of melioidosis in present-day Myanmar. To address this issue, we used two recently developed and validated serological assays to detect B. pseudomallei–specific antibodies in 124 serum samples obtained from febrile patients in the delta region of Myanmar. Using cutoff values derived from culture-confirmed melioidosis cases in neighboring Thailand, 3.2% of the samples exhibited reactivity profiles consistent with active B. pseudomallei infections. Collectively, these findings indicate that melioidosis likely represents a significant cause of morbidity and mortality in Myanmar and support the need for further studies to assess the true burden of disease in this country.

Author Notes

Address correspondence to Paul J. Brett, Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, 1664 N. Virginia Street, Reno, NV 89557, E-mail: pbrett@med.unr.edu or Tin Maung Hlaing, Defence Services Medical Research Centre, Nay Pyi Taw, Myanmar, E-mail: hlaingtm@gmail.com.

Authors’ addresses: Zin Zayar Win, Zarni Aung, Thein Zaw, and Tin Maung Hlaing, Defence Services Medical Research Centre, Nay Pyi Taw, Myanmar, E-mails: zinzayarwin@gmail.com, jazz.mrc88@gmail.com, cotheinzaw@gmail.com, and hlaingtm@gmail.com. Phornpun Phokrai and Narisara Chantratita, Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand, E-mails: ph.phornpun@gmail.com and narisara@tropmedres.ac. Mary N. Burtnick and Paul J. Brett, Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, NV, E-mails: mburtnick@med.unr.edu and pbrett@med.unr.edu.

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