. 2014 Jul 21;20(27):8998–9016. doi: 10.3748/wjg.v20.i27.8998

Table 3.

Incidence of acute hepatitis B before and after the introduction of universal vaccination for hepatitis B virus

Ref.	Region	Country	Subjects	Year of the introduction of universal vaccination	Annual incidence of acute hepatitis B cases per 100000 population
Ref.	Region	Country	Subjects	Year of the introduction of universal vaccination	Before vaccination program	Year	After vaccination program	Year
101	North America	United States	0-19 yr of age	1992	3	1990	0.3	2002
102		United States (Alaska)	Under 20 yr of age	1984	19	1981-1920	0	1993-1994
103	Asia	Taiwan	Infants	1984	5.36	1975-1984	1.71	1993-1994
104	Europe	Italy	General population	1991	5.1	1991	1.3	2005