Use of antiserum agar plates for serogrouping of meningococci.

Authors:
  • ASA Sivonen
    A Sivonen
  • ORO V Renkonen
    O V Renkonen
  • JRJ B Robbins
    J B Robbins
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Abstract
A convenient and reliable method for serogrouping meningococci, based on immunospecific precipitation haloes in antiserum-agar plates, is described. It gave concordant results with conventional slide-agglutination in 900 strains of groups A, B or C tested. The antiserum-agar can also be used as a primary isolation medium for detecting nasopharyngeal carriers of a certain serogroup if antibiotics are added.
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