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乙型肝炎是我国目前流行最广泛、危害最严重的一种传染病[1],其中母婴传播是婴幼儿HBV感染的重要途径,HBeAg阳性母亲的婴儿在1年内大部分均感染HBV,其中
Hepatitis B is one of the most widespread and harmful infectious diseases in our country at present [1]. Maternal-to-infant transmission is an important way of HBV infection in infants and young children. Most HBeAg-positive infants infected with HBV within one year, of which