TABLE 2.
Characteristics of the group B streptococcal strains used in the studya
| Strain ID | ST | CPS | Clinical type |
|---|---|---|---|
| GB00112 | 17 | III | Colonizing |
| GB00411 | 17 | III | Invasive |
| GB00097 | 17 | III | Colonizing |
| GB00418 | 17 | III | Invasive |
| GB00590 | 19 | III | Colonizing |
| GB00571 | 19 | III | Colonizing |
| GB00036 | 19 | III | Invasive |
| GB00079 | 19 | III | Invasive |
| GB00653 | 12 | II | Colonizing |
| GB00285 | 12 | II | Colonizing |
| GB00910 | 12 | II | Invasive |
| GB01455 | 12 | II | Invasive |
| GB00037 | 1 | V | Invasive |
| GB00020 | 1 | V | Colonizing |
| GB00310 | 1 | V | Invasive |
a
The sequence type (ST) and capsular (CPS) type as determined by multilocus sequence typing (MLST) and molecular serotyping, respectively, are shown for each strain along with the clinical type. Colonizing strains were isolated from mothers during pre- or postnatal screening visits (34), while invasive strains were recovered from symptomatic neonates with early- or late-onset GBS disease (15).