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从1986年1月1日开始,预防乙型肝炎(简称乙肝-下同)母婴间感染作为福利事业在厚生省全面普及。本文简述有关乙肝病毒(HBV)母婴间感染的实况及其预防,并把本预防措施视为免疫疗法,论述其特征及开展工作后将出现的问题。一、乙肝病毒母婴间感染的实况 HBV不仅引起急性感染(急性肝炎、无症状性感染),且可招致持续感染(慢性肝炎、无症状性病毒携带)。在免疫功能尚未完善的新生儿婴幼儿期或使用免疫抑制剂
Since January 1, 1986, prevention of Hepatitis B (hepatitis B - the same below) infection between the mother and child as a welfare business in the full coverage of the Ministry of Health. This article outlines the reality and prevention of hepatitis B virus (HBV) infection and treats this prevention as an immunotherapy, discusses its characteristics and issues that may arise when it is performed. First, the hepatitis B virus MTCT live HBV not only causes acute infection (acute hepatitis, asymptomatic infection), and can lead to persistent infection (chronic hepatitis, asymptomatic virus-borne). In immunocompromised infants and young infants or immunosuppressants