The rate of vertical HBV transmission from HBsAg (+) mothers to their children was lower when the mother also had HBsAg (+) and HBeAg (-), identified by the presence of HBV markers in umbilical cord blood: HBsAg 54.2%, HBeAg: 2.7%.
Tỷ lệ lây truyền thấp hơn khi mẹ có HBsAg (+) và HBeAg (-) với dấu ấn nhiễm virus này trong máu cuống rốn con là: HBsAg: 54,2%, HBeAg: 2,7%.