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Publications (1)2.35 Total impact

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    ABSTRACT: Improved diagnostic tests for Chagas disease are urgently needed. A new lateral flow rapid test for Chagas disease is under development at PATH, in collaboration with Laboratorio Lemos of Argentina, which utilizes a recombinant antigen for detection of antibodies to Trypanosoma cruzi. To evaluate the performance of this test, 375 earlier characterized serum specimens from a region where Chagas is endemic were tested using a reference test (the Ortho T. cruzi ELISA, Johnson & Johnson), a commercially available rapid test (Chagas STAT-PAK, Chembio), and the PATH-Lemos rapid test. Compared to the composite reference tests, the PATH-Lemos rapid test demonstrated an optimal sensitivity of 99.5% and specificity of 96.8%, while the Chagas STAT-PAK demonstrated a sensitivity of 95.3% and specificity of 99.5%. These results indicate that the PATH-Lemos rapid test shows promise as an improved and reliable tool for screening and diagnosis of Chagas disease.
    IEEE Transactions on Biomedical Engineering 04/2011; · 2.35 Impact Factor