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为探索乙型肝炎(HB)疫苗在一小部分HBeAg 阳性母亲所生的婴儿中未能阻断HB病毒(HBV)母婴传播的原因,作者用高度敏感的聚合酶链反应(PCR),对11例HBsAg携带者母亲的血清、脐带血和初乳样品及其婴儿血清中的HBV DNA进行了检测.
To explore the reasons why hepatitis B vaccine failed to block mother-to-child transmission of HB virus (HBV) in a small number of infants born to HBeAg-positive mothers, the authors used highly sensitive polymerase chain reaction (PCR) Serum of 11 HBsAg-bearing mothers, umbilical cord blood and colostrum samples and their infant serum HBV DNA were tested.