Table 1.

Prevalence of vaccine serotypes in groups 1 and 2

	Prevalence in group 1 (N = 218)	Prevalence in group 2 (N = 530)
Serotype	n (%)	n (%)
	PCV7 serotypes: 96 (44·0%)	PCV7 serotypes: 43 (8·1%)
4	0 (0·0)	0 (0·0)
6B	26 (11·9)	12 (2·3)
9V	1 (0·5)	3 (0·6)
14	20 (9·2)	0 (0·0)
18C	5 (2·3)	4 (0·8)
19F	21 (9·6)	9 (1·7)
23F	23 (10·6)	15 (2·8)
	PCV13/non-PCV7 serotypes: 29 (13·3%)	PCV13/non-PCV7 serotypes: 129 (24·3%)
1	0 (0·0)	3 (0·6)
5	0 (0·0)	0 (0·0)
7F	1 (0·5)	1 (0·2)
3	13 (6·0)	36 (6·8)
6A	12 (5·5)	28 (5·3)
19A	3 (1·4)	61 (11·5)