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Evaluation of a colour test for rapid detection of Salmonella

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Abstract

The performance of a colour test (Wellcolex) for rapid detection of the most frequently isolated O serogroups of salmonella (A, B, C, D, E/G) and the Vi antigen was evaluated using colonies grown on enteric differential agar media and in selenite broth. The test had excellent sensitivity (100 %) and specificity (100 %) with colonies taken directly from primary culture plates. Initial tests in selenite broth showed limited sensitivity (62.1 %) but by using high quality media and modifying the inoculation procedure, sensitivity was greatly improved (99 %).

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Authors and Affiliations

  1. Secciíon de Microbiologá, Ambulatorio Argüelles, Instituto Nacional de la Salud, Calle Quintana 11, 28008, Madrid, Spain

    B. Orden, A. Franco, E. Juárez, A. González & L. Caravaca

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  1. B. Orden
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  2. A. Franco
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  3. E. Juárez
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  4. A. González
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  5. L. Caravaca
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Orden, B., Franco, A., Juárez, E. et al. Evaluation of a colour test for rapid detection of Salmonella. Eur. J. Clin. Microbiol. Infect. Dis. 12, 630–633 (1993). https://doi.org/10.1007/BF01973645

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