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对乙肝疫苗用于母婴垂直传播阻断效果进行了调查,抗体阳性率在出生后第9个月才达到60%～70%,而 HBsAg 阳性率高达29%,提示:①疫苗的抗体应答率太低;②注射乙肝疫苗后阻断母婴传播作用不理想,即保护率太低。说明应在疫苗的使用、管理、免疫方案等方面多做工作才能提高疫苗的使用效果。
The effect of hepatitis B vaccine on the vertical transmission of maternal and infant was investigated. The positive rate of antibody was only 60% -70% in the 9th month after birth, while the positive rate of HBsAg was 29%, suggesting that: (1) The antibody response rate Too low; ② the injection of hepatitis B vaccine block maternal and child transmission is not ideal, that is, the protection rate is too low. It shows that more work should be done on the use, management and immunization of vaccines to improve the effect of the vaccine.