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1 乙型肝炎病毒及其抗原 乙型肝炎病毒(HBV)是一种很小的病毒,它属于嗜肝脱氧核糖核酸(DNA)病毒组中的一个成员。病毒颗粒由外膜和内核两部分组成,完整的HBV是直径42nm的球形颗粒,其外膜厚7nm,由蛋白质的膜脂质组成,称作乙型肝炎表面抗原(HBsAg)。由于其最早在澳大利亚发现,所以曾被称为“澳大利亚抗原”,简称“澳抗”。中心部分的直径约28nm,为病毒的核心,其中包括核心抗原(HBcAg)和e抗原(HBeAg),内核中心
Hepatitis B virus and its antigen Hepatitis B virus (HBV) is a small virus that belongs to a member of the group of hepatophilic DNA viruses. The virus particle consists of two parts, the outer membrane and the inner core. The intact HBV is a spherical particle with a diameter of 42 nm. The outer membrane is 7 nm thick and consists of the membrane lipid of the protein and is called the hepatitis B surface antigen (HBsAg). Because of its earliest discovered in Australia, it was called “Australian antigen”, referred to as “Macao anti.” The central part of the diameter of about 28nm, is the core of the virus, including the core antigen (HBcAg) and e antigen (HBeAg), the core center