TABLE 2.

Distributions of CCs in invasive and colonizing GBS from neonates at six U.S. academic centersa

CCNo. of isolates with serotypeTotal no. of isolates
IaIbIIIIIV
InvColInvColInvColInvColInvColInvCol
1111222211824123
121563521570
1716167752392
1922111112513138
234730613247312
Other or singletonb524121216735
Total523311665947291962313112970
  • a Inv, invasive; Col, colonizing.

  • b Composition of the remaining invasive isolates: three serotype Ia isolates with ST-24, one serotype Ia isolate with ST-16 (singleton), one serotype Ia isolate with ST-204 (singleton), one serotype III isolate with ST-184 (CC 207), and one serotype V isolate with ST-26 (singleton).