Volume 89, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Melioidosis is a severe bacterial infection caused by . Rapid antimicrobial therapy is necessary to improve patient outcome, which is aided by direct detection of in clinical samples. A drawback for all antigen assays is that the number of in blood usually falls below the achievable level of detection. We performed a prospective cohort study of 461 patients with 541 blood cultures to evaluate the utility of a pre-incubation step prior to detection of using a monoclonal antibody-based immunofluorescent assay (Mab-IFA). The Mab-IFA was positive in 74 of 76 patients with melioidosis (sensitivity = 97.4%), and negative in 385 patients who did not have blood cultures containing (specificity = 100%). The Mab-IFA could be a valuable supplementary tool for rapid detection. We recommend the use of the Mab-IFA to test blood cultures that flag positive in regions where melioidosis is endemic.

[open-access] This is an Open Access article distributed under the terms of the American Society of Tropical Medicine and Hygiene's Re-use License which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


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  • Received : 21 Apr 2013
  • Accepted : 10 Aug 2013

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