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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