Comparison of Brucella immunoglobulin M and G flow assays with serum agglutination and 2-mercaptoethanol tests in the diagnosis of brucellosis
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Ayşın Zeytinoğlu
Abstract
The diagnostic value of Brucella IgM/IgG flow assays was evaluated in comparison with serum agglutination and 2-mercaptoethanol tests by testing a selection of serum samples submitted to the laboratory because of clinical suspicion of brucellosis. All 39 admission and 11 follow-up samples that agglutinated in the serum agglutination test tested positive in the flow assay, whereas all 20 serum agglutination negative samples with clinical suspicion of brucellosis, 23 control samples from healthy individuals and 20 control samples from cases with chronic hepatitis tested negative in the flow assay. The Brucella IgM and IgG flow assays were slightly more sensitive than the agglutination tests in discriminating between specific IgM and IgG antibodies. The Brucella IgM and IgG flow assays are easy-to-perform and quick assays that can be used for the diagnosis of brucellosis. The flow assays are very useful, especially in rural settings where brucellosis is widespread and where well-equipped laboratories to perform the laboratory tests are not readily available.
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©2006 by Walter de Gruyter Berlin New York
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