Table 4

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 casesOther serogroup B cases
<19 (5)36 (23.4)
1-530 (16.7)37 (24.0)
6-109 (5)6 (3.9)
11-1955 (30.5)20 (13.0)
20-4046 (25.5)26 (16.9)
41-6019 (10.6)15 (9.7)
>6012 (6.7)14 (9.1)
All180154