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      Diagnosis of brucellosis by serology

      Veterinary Microbiology
      Elsevier BV

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          Abstract

          Serological diagnosis of brucellosis began more than 100 years ago with a simple agglutination test. It was realized that this type of test was susceptible to false positive reactions resulting from, for instance, exposure to cross reacting microorganisms. It was also realized that this test format was inexpensive, simple and could be rapid, although results were subjectively scored. Therefore, a number of modifications were developed along with other types of tests. This served two purposes: one was to establish a rapid screening test with high sensitivity and perhaps less specificity and a confirmatory test, usually more complicated but also more specific, to be used on sera that reacted positively in screening tests. This led to another problem: if a panel of tests were performed and they did not all agree, which interpretation was correct? This problem was further compounded by the extensive use of a vaccine which gave rise to an antibody response similar to that resulting from field infection. This led to the development of an assay that could distinguish vaccinal antibody, starting with precipitin tests. These tests did not perform well, giving rise to the development of primary binding assays. These assays, including the competitive enzyme immunoassay and the fluorescence polarization assay are at the apex of current development, providing high sensitivity and specificity as well as speed and mobility in the case of the fluorescence polarization assay. Copyright 2002 Elsevier Science B.V.

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          Author and article information

          Journal
          Veterinary Microbiology
          Veterinary Microbiology
          Elsevier BV
          03781135
          December 2002
          December 2002
          : 90
          : 1-4
          : 447-459
          Article
          10.1016/S0378-1135(02)00229-8
          12414164
          5d160ec6-7ce3-4274-b889-e33cc992737b
          © 2002

          https://www.elsevier.com/tdm/userlicense/1.0/

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