Volume 20, Number 7—July 2014
Research
Changes in Capsule and Drug Resistance of Pneumococci after Introduction of PCV7, Japan, 2010–2013
Table 3
Pneumococcal vaccination history and age for 156 children with invasive pneumococcal disease, Japan, 2012*
No. vaccine doses administered | <6 mo | 7–11 mo | 1 y | 2 y | 3 y | 4 y | 5–9 y | >10 y | Total no. (%) |
---|---|---|---|---|---|---|---|---|---|
0 | 7 [3] | 15 [8] | 4 [1] | 5 [2] | 8 [3] | 4 [1] | 5 [3] | 47 (30.1) | |
1 | 1 | 5 | 3 | 1 | 10 (6.4) | ||||
2 | 3 | 4 [1] | 1 | 2 | 1 | 11 (7.1) | |||
3 | 2 | 13 | 24 | 6 | 45 (28.8) | ||||
Booster | 16 | 5 | 21 (13.5) | ||||||
Unknown |
1 |
2 |
11 |
3 |
2 |
1 [1] |
1 |
22 (14.1) |
|
Total |
6 |
22 |
71 |
19 |
14 |
12 |
6 |
6 |
156 (100.0) |
*Numbers in brackets indicate infections with a vaccine serotype. |