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【输血后肝炎的原因】主要由 B 型(HBV)和非A 非 B 型病毒引起而与 A 型肝炎病毒无关。关于 B 型肝炎病毒的形态及其抗原抗体的体系,通过电镜观察,已有较明确的了解。已知,HBV 的抗原抗体分三种即,HBs 抗原和 HBs 抗体、HBc 抗原和 HBc 抗体以及HBe 抗原和 HBe 抗体,其中,血液中不出现 HBc 抗原而只出现其抗体。在临床上观察抗原抗体的动态改变可发现,在 B 型病毒感染6周后出现 HBs 抗原,3个月后消失,若持续阳性6个月以上者,则视为病毒携
[The cause of post-transfusion hepatitis] is mainly caused by type B (HBV) and non-A non-type B viruses and has nothing to do with hepatitis A virus. About hepatitis B virus morphology and antigen-antibody system, by electron microscopy, have a more clear understanding. It is known that there are three kinds of antigen antibodies of HBV, that is, HBs antigen and HBs antibody, HBc antigen and HBc antibody, and HBe antigen and HBe antibody, in which no HBc antigen appears in the blood but only its antibody appears. Clinically observed antigen-antibody dynamic changes can be found in the B virus infection after 6 weeks HBs antigen, disappeared after 3 months, if the continued positive for more than 6 months, then as a virus