Table 1.
Serogroups and sequence types of the study isolates
| Serogroup | ST | No. of isolates | No. of individuals carrying the same strain at both time points | Isolate ID from individuals changing strains c |
|---|---|---|---|---|
| NG (cnl a) | 53 | 11 | 4 | 48A, 49A, 49B |
| 192 | 48 | 23 | 47A, 50B | |
| 198 | 5 | 2 | 47B | |
| 11595 | 1 | 0 | 50A | |
| 11597 | 2 | 1 | ||
| NG (not cnl b) | 35 | 2 | 1 | |
| 175 | 4 | 2 | ||
| W | 11 | 10 | 5 | |
| X | 11372 | 2 | 1 | |
| Y | 2880 | 15 | 7 | 48B |
| Total | 100 | 46 individuals | 4 individuals |
ST Sequence type, NG non-groupable, cnl capsule null
aisolates harboring the capsule null locus, lacking the possibility to express capsule
bisolates not harboring the capsule null locus, but not harboring all genes necessary for capsule synthesis
cThe number identifies the individual and the letters A and B, the first and the last isolates, respectively