The genetic relationships between 88 meningococcal strains were analyzed by using the polymorphism of the pilA gene and the multilocus enzyme electrophoresis. While a good agreement was observed, correlation with antigenic formula (serogroup, serotype, and serosubtype) was incomplete. The inadequacy of serological classification alone in outbreak surveillance may be overcome by DNA-based approaches.
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Guibourdenche et al. (1997) studied this question.
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