What is the role of bacterial antigen tests in the workup of Haemophilus influenzae type b (Hib) meningitis?

Updated: Jul 09, 2018
  • Author: Prateek Lohia, MD, MHA; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Bacterial antigen tests such as counterimmunoelectrophoresis or latex agglutination immunologically detect the soluble antigens on many bacteria, including those of Hib. The tests are very rapid but detect only the most common meningitis pathogens. The latex particle agglutination antigen tests for Hib have a sensitivity of 97% and a specificity of 95%.

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