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Frequency of PspA families and pilus islet in nasopharyngeal pneumococcal isolates obtained in the pre- and post-PCV10/13 periods.
| PspA family | Pre-PCV10/13 (n = 124) | Post-PCV10/13 (n = 129*) | ||||
|---|---|---|---|---|---|---|
| Fam1 (n = 15) | Fam2 (n = 55) | ND (n = 54) | Fam1 (n = 16) | Fam2 (n = 43) | ND (n = 69) | |
| PI-1 | 1 (6.7%) | 17 (30.9%) | 3 (5.5%) | 0 | 6 (13.9%) | 10 (14.5%) |
| PI-2 | 0 | 0 | 1 (1.9%) | 0 | 2 (4.7%) | 0 |
| PI-1 + 2 | 1 (6.7%) | 0 | 1 (1.9%) | 0 | 1 (2.3%) | 2 (2.9%) |
aThe single PspA Fam3 isolate did not present any pilus islet
ND not determined
