Table 7. Effect of universal PCV7 programs for children <2 y of age in the Canadian circumpolar region*.

Location, period	No. cases with PCV7 serotypes	No. cases without PCV7 serotypes	Total
Northern Québec and Nunavut
Prevaccination (1999–2002)	19	5	24
Program implementation (2003–2005)	0	8	8
Total cases	19	13	32
Northwest Territories and Yukon
Prevaccination (1999–2002)	6	2	8
Program implementation (2003–2005)	3	3	6
Total cases	9	5	14

*PCV7, 7-valent pneumococcal conjugate vaccine.