Table 2.

Meningococcal strains from three different specimens of patients

Patient no.SourceSerogroupLength of porA promoter spacer (bp)Homopolymeric G tractPorA expressiona
890042CSFB17+++
BloodB17+++
ThroatB17+++
901168CSFB16++
BloodB16++
ThroatB18+++
901458CSFB18+++
BloodB18+++
EyeB18+++
901833CSFC17+++
BloodC17+++
ThroatC17+++
902499CSFB17+ND
BloodB17+ND
ThroatB17+ND
91033CSFC16ND
BloodC16ND
SkinC16ND
910632BloodB19+ND
SkinB19+ND
ThroatB19+ND
920545CSFB19+ND
BloodB19+ND
LungC16+
920619CSFC16+
BloodC16+
ThroatC16+
930470CSFB16
BloodB16
SkinB16
930633CSFB18+++
LungB18+++
BrainB18+++
  • a ND, not determined; +, low PorA expression; ++, high PorA expression.