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Table 2 Serogroup/type distribution by age group and country.

From: African meningitis belt pneumococcal disease epidemiology indicates a need for an effective serotype 1 containing vaccine, including for older children and adults

Serotype Burkina Faso Senegal Ghana
  Age <
5 years
Age
5+ years
Age <
2 years
Age
2+ years
Age <
5 years
Age
5+ years
1 3 (17%) 18 (60%) 10 (9%) 90 (63%) 2 (33%) 51 (80%)
2 3 (17%)   15 (14%) 3 (2%)   
3    6 (5%) 8 (6%) 2 (33%) 2 (3%)
5 3 (17%)   23 (21%) 8 (6%)   
6A 5 (28%)   14 (13%)* 13 (9%)*   1 (2%)
6B 1 (6%)      
7/7F   1 (3%)     1 (2%)
8       4 (6%)
9    6 (5%) 2 (1%)   
10/10F 1 (6%)      1 (2%)
12A   1 (3%) 9 (8%)* 6 (4%)*   
12B   1 (3%)     
12F       2 (3%)
14   2 (7%) 5 (5%) 2 (1%) 2 (33%) 1 (2%)
18    4 (4%) 2 (1%)   
19A   1 (3%) 4 (4%)* 4 (3%)*   
19F   1 (3%)     
21 1 (6%)      
23    14 (13%) 5 (3%)   
24A 1 (6%)      
25A   2 (7%)     
25F   2 (7%)     
38       1 (2%)
NT   1 (3%)     
Total 18 (100%) 30 (100%) 110 (100%) 143 6 (100%) 64 (100%)
  1. * These cells present summary data on serogroups 6, 12, and 19 as serotype specific data were not available