Comparison of the age distributions of invasive serogroup B meningococcal disease cases according to the clonal nature of the Neisseria meningitidis strains
| Age group (yr) | No. (%) of: | |
|---|---|---|
| ST-269 CC cases | Other serogroup B cases | |
| <1 | 9 (5) | 36 (23.4) |
| 1-5 | 30 (16.7) | 37 (24.0) |
| 6-10 | 9 (5) | 6 (3.9) |
| 11-19 | 55 (30.5) | 20 (13.0) |
| 20-40 | 46 (25.5) | 26 (16.9) |
| 41-60 | 19 (10.6) | 15 (9.7) |
| >60 | 12 (6.7) | 14 (9.1) |
| All | 180 | 154 |