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用大肠杆菌表达的Ｅ１和Ｅ２区抗原检测７例输血后病例的系列血清，发现ＥＩ、Ｅ２抗体检出率较低，分别为１９％和１７％；Ｅ１、Ｅ２抗体在一些病例中具有早期诊断意义；不同病例膜区抗体动态变化不同；膜区抗体阳性血样中有３０％ＨＣＶＲＮＡ呈阳性。
Serum E1 and E2 expressed in Escherichia coli were detected in sera of 7 cases after transfusion, and the detection rates of EI and E2 antibodies were lower, which were 19% and 17%, respectively; E1 and E2 antibodies had early diagnosis in some cases Significance; different cases of membrane antibody in different dynamic changes; membrane antibody positive blood samples were 30% positive for HCVRNA.