Table 2 HBsAg seropositivity among children without booster doses.

From: Protective effect of vaccinating infants with a 5 µg recombinant yeast-derived hepatitis B vaccine and the need for a booster dose in China

Birth year

HBsAg( +) mother

HBsAg(–) mother

HBsAg(unknown) mother

Total

N

 + 

%

N

 + 

%

N

 + 

%

N

 + 

%

2012–2013

102

1

0.98

2265

7

0.31

1200

5

0.42

3567

13

0.36

2010–2011

100

2

2.00

2697

9

0.33

1398

6

0.43

4195

17

0.41

2008–2009

33

0

0.00

829

2

0.24

567

2

0.35

1429

4

0.28

2006–2007

21

2

9.52

692

2

0.29

413

4

0.97

1126

8

0.71

2004–2005

10

1

10.00

270

0

0.00

167

1

0.60

447

2

0.45

2002–2003

13

0

0.00

398

2

0.50

226

1

0.44

637

3

0.47

Total

279

6

2.15

7151

22

0.31

3971

19

0.48

11,401

47

0.41