Accuracy of Enzyme-Linked Immunosorbent Assay Using Crude and Purified Antigens for Serodiagnosis of Melioidosis

Author:

Chantratita Narisara123,Wuthiekanun Vanaporn123,Thanwisai Aunchalee123,Limmathurotsakul Direk123,Cheng Allen C.123,Chierakul Wirongrong123,Day Nicholas P. J.123,Peacock Sharon J.123

Affiliation:

1. Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand

2. Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia

3. Center for Clinical Vaccinology and Tropical Medicine, Nuffield Department of Clinical Medicine, University of Oxford, Churchill Hospital, Oxford, United Kingdom

Abstract

ABSTRACT Five enzyme-linked immunosorbent assays developed to detect antibodies to different Burkholderia pseudomallei antigen preparations were evaluated as diagnostic tests for melioidosis in northeast Thailand. The highest diagnostic indices were observed for an affinity-purified antigen (sensitivity, 82%; specificity, 72%) and crude B. pseudomallei antigen (sensitivity, 81%; specificity, 70%), an improvement over the indirect hemagglutination assay (sensitivity, 73%; specificity, 64%).

Publisher

American Society for Microbiology

Subject

Microbiology (medical),Clinical Biochemistry,Immunology,Immunology and Allergy

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