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. 1992 Dec;30(12):3268-9.
doi: 10.1128/jcm.30.12.3268-3269.1992.

Novel coagglutination method for serotyping group B streptococci

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Novel coagglutination method for serotyping group B streptococci

S Håkansson et al. J Clin Microbiol. 1992 Dec.

Abstract

A group G streptococcal strain was coated with antibody against six different serotypes (Ia, Ib, II, III, IV, and V) of group B streptococci. The coagglutination patterns of 114 strains of group B streptococci were compared with the serotypes determined after immunoprecipitation. The specificity of the method was 100% and the sensitivity 97%. It was used for the typing of 89 invasive and 101 colonizing isolates. The new method is swift, specific, and highly sensitive. It consumes only minute amounts of antibody.

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