TABLE 1

Number of Isolates per Serotype and Year of Study

Serotype	2003	2004	2005	2006	2007	2008	Total	%
1	9	3	12	11	9	3	47	4.6
3	11	5	10	10	14	11	61	5.9
4^a	2	1	0	1	1	1	6	0.6
5	3	5	1	0	1	0	10	1.0
6A	3	4	8	7	2	0	24	2.3
6B^a	5	4	4	4	1	1	19	1.8
7F	2	6	7	10	15	29	69	6.7
7C	0	0	0	0	0	2	2	0.2
8	0	0	0	0	1	2	3	0.3
9V^a	3	1	2	1	1	1	9	0.9
9 N	1	0	1	0	1	1	4	0.4
10	3	1	1	2	3	2	12	1.2
11	2	3	5	0	4	2	16	1.6
12	2	2	6	2	3	2	17	1.7
13	2	1	0	1	0	0	4	0.4
14^a	6	2	2	2	0	1	13	1.3
Group 15	15	5	14	4	9	12	58	5.6
16	2	2	0	0	0	1	5	0.5
17	0	0	0	0	1	1	2	0.2
18C^a	3	0	2	0	0	0	5	0.5
18 not C	1	0	1	0	0	0	2	0.2
19F^a	14	17	6	4	5	3	49	4.8
19A	26	46	55	82	86	82	377	36.6
21	0	1	0	1	0	2	4	0.4
22	5	8	6	5	5	5	34	3.3
23F^a	3	4	3	2	0	1	13	1.3
23 not F	2	6	5	7	7	10	37	3.6
24	0	0	1	0	1	0	2	0.2
31	4	0	0	0	0	1	5	0.5
33	7	6	9	8	5	4	39	3.8
34	0	1	1	1	2	0	5	0.5
35	1	3	1	0	0	0	5	0.5
38	0	0	0	0	3	2	5	0.5
Pool G	2	4	6	3	2	8	25	2.4
NT	7	4	7	10	6	7	41	4.0
Totals	146	145	176	177	188	197	1029	100

↵a Serotypes in the PCV7.