Table 1.

HBV vaccination coverage (%) in Belgium, measured by EPI-based surveys, by age and by year of survey [7–13]

(a) At age 18–24 months (3 or 4 doses)
Region	1999		2000	2003	2005	2006	2008	2009
Wallonia	50·2*			64·8*		92·7*		90·4†
Flanders	68·4*				92·2†		95·1†
Brussels			42·1*			88·4†
(b) In school-aged children (3 doses)
Region	Age (yr)	Survey (cohort)‡	2000 (1988)	2001 (1989)	2004 (1992)	2005 (1997 + 1991)	2006 (1994)	2008 (1994)
Wallonia	11–12		41·4	37·1	64·2		68·6
Flanders	7–8					72·0
Flanders	14					75·7		89·2

EPI, Extended programme of immunization.

^*Third dose coverage.

^†Fourth dose coverage.

^‡Year of birth of the majority of the surveyed children. In the French community, school-based surveys included children in the 6th year of primary school regardless of their year of birth, whereas in the surveys in Flanders children were primarily selected based on their year of birth. Adolescents were invited for HBV vaccination in the last year of primary school in Wallonia, and in the first year of secondary school in Flanders.