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Table 1 Distribution of invasive paediatric S. pneumoniae isolates by vaccine and non-vaccine serotypes between children randomized to receive vaccine and those randomized to receive placebo (intent-to-treat analysis).

From: Molecular epidemiology of pneumococci obtained from Gambian children aged 2–29 months with invasive pneumococcal disease during a trial of a 9-valent pneumococcal conjugate vaccine

No. of isolates
Serotype Unvaccinated Vaccinated Total
1 3 5 8
2 1 0 1
4 3 0 3
5 10 1 11
6A 3 3 6
6B 4 1 5
8 0 2 2
9L 5 0 5
9V 2 2 4
12B 0 1 1
12F 7 5 12
14 17 3 20
16F 4 0 4
18C 1 0 1
18F 1 0 1
19A 6 6 12
19F 2 0 2
20 0 1 1
21 0 2 2
22A 1 1 2
23F 9 2 11
29 0 1 1
33F 0 2 2
35A 0 2 2
35B 0 1 1
38 2 0 2
40 0 1 1
45 1 0 1
46 0 3 3
Total 82 45 127