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乙型肝炎(简称乙肝),具有传染性强、传染途径复杂、流行面广、传播快等特点,严重危害着人民的健康,所以对乙型肝炎的防治工作在我国预防工作中占有重要地位,如何减少儿童肝炎的发生更是儿童保健工作中的重要内容。据文献报道,目前乙肝疫苗接种已经成为预防乙型肝炎发生最为理想的药物,经数十年随访证实,单纯接种高剂量乙肝疫苗可使乙肝表面抗原和E抗原阳性母亲所生婴儿93％以上获得至少
Hepatitis B (HBV) has the characteristics of strong contagiousness, complicated route of infection, wide spread of epidemic and rapid spread, which seriously endangers the health of the people. Therefore, the prevention and treatment of hepatitis B occupies an important place in prevention work in our country, How to reduce the incidence of hepatitis in children is an important part of child health care work. It has been reported in the literature that at present, hepatitis B vaccination has become the most ideal drug for preventing the occurrence of hepatitis B. After several decades of follow-up, only high-dose hepatitis B vaccine can obtain more than 93% of babies born with hepatitis B surface antigen and E antigen-positive mothers at least