Table 4.

Serogroup/Serotype of Bacteria Isolated from Meningitis Cases by Country, 2000–2010.^a

	Alaska			Northern Canada			Greenland
	2000– 2004 N (%)	2005– 2010 N (%)	p- value	2000– 2004 N (%)	2005– 2010 N (%)	p- value	2000– 2004 N (%)	2005– 2010 N (%)	p- value
Streptococcus pneumoniae	35	44	0.9	11	14	0.9	6	9	0.7
PCV7 serotypeb	11 (31)	1 (2)	<0.001	5 (46)	2 (14)	0.1	3 (50)	3 (33)	0.8
PCV6+ serotypec	5 (14)	19 (43)	0.01	3 (27)	3 (21)	0.7	1 (17)	2 (22)	0.7
Non-PCV serotype	19 (54)	24 (55)	0.9	3 (27)	9 (64)	0.2	2 (33)	4 (44)	0.6
Haemophilus influenzae	10	15	0.7	17	16	0.3	N/A	N/A	N/A
Serotype a	2 (20)	7 (47)	0.2	11 (65)	10 (62)	0.4	N/A	N/A	N/A
Serotype b	4 (40)	2 (13)	0.3	5 (29)	3 (19)	0.3	N/A	N/A	N/A
Other serotyped	4 (40)	6 (40)	0.8	1 (6)	3 (19)	0.5	N/A	N/A	N/A
Neisseria meningitidis	16	13	0.2	3	6	0.3	3	2	0.5
Serogroup A, C, Y, W135	3 (19)	1 (8)	0.2	2 (67)	2 (33)	0.8	1 (33)	0 (0)	0.3
Serogroup B	13 (81)	12 (92)	0.4	1 (33)	4 (67)	0.3	2 (67)	2 (100)	0.9
Other serogroup	0 (0)	0 (0)	---	0 (0)	0 (0)	---	0 (0)	0 (0)	---

Abbreviations: N/A, data not available; PCV, pneumococcal conjugate vaccine.

^aData shown for subset of meningitis cases from whom isolates were available for laboratory serotype/serogroup determination.

^bIncludes the 7 serotypes included in the 7-valent pneumococcal conjugate vaccine (4, 6B, 9V, 14,18C, 19F, 23F).

^cIncludes the 6 additional serotypes included in the 13 -valent pneumococcal conjugate vaccine (1, 3, 5, 6A, 7F, 19A).

^dIncludes non-typeable Haemophilus influenza.