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乙型肝炎病毒(HBV)在我国广泛传播,病毒性乙型肝炎(HB)严重危害国民健康。预防HB是围产期保健的重要课题.自1982年,HB血源疫苗使用以来,经大规模现场研究,证实了HB疫苗的安全性和有效性.目前HB疫苗在我国供不应求,价格亦
Hepatitis B virus (HBV) is widely spread in our country, viral hepatitis B (HB) seriously endanger the national health. Prevention of HB is an important issue of perinatal health care.Hydrogen vaccines have been confirmed by large-scale field study since the use of HB blood-borne vaccine in 1982. At present HB vaccine is in short supply in our country, the price is also