Table 2.

Serogroup/type distribution by age group and country.

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%)

* These cells present summary data on serogroups 6, 12, and 19 as serotype specific data were not available