Table 5.

Presence or absence of four genes encoding outer membrane proteins in meningococcal strains involved in clonal replacement in individual carriers

CarrierPresence of genea in:
Initial cloneReplacement clone
nadAhpuhmbRopcnadAhpuhmbRopc
V54+++++
V63++++++
V138++++++
V64++++
V82++++++
V124+++++
V140++++++
V115++++++
V120+++++
V137++++++
V50+++++
V70+++++ND
V226+++++
V199+++++
V192++++
V56+++++
V206+++++
V145++++++
  • a The typing characteristics of these strains are as presented in Table 3. +, gene detected by PCR; −, gene not detected by PCR; ND, not determined.