Fig. 1

The seroprevalence of HBsAg (a), seroprotective anti-HBs (≥ 10 mIU/mL), anti-HBs seropositive (anti-HBs > 1 mIU/mL) (b), and anti-HBc (c).

The seroprevalence of HBsAg (a), seroprotective anti-HBs (≥ 10 mIU/mL), anti-HBs seropositive (anti-HBs > 1 mIU/mL) (b), and anti-HBc (c).