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采用标记第二抗体间接ＥＬＩＳＡ发现，ＩｇＧ－抗ＨＥＶ阳性率２３．５％（４６／１９６），其中ＩｇＭ－抗ＨＥＶ阳性１０例（５．１％）。于１９９３年２月～１９９４年１月继续观察ＩｇＭ－抗ＨＥＶ免疫检出率为６．７％（１０１／１５１５），ＩｇＭ－抗ＨＡＶ检出率为１４．２％（３０２／２１３３）。按月和月／年统计阳性率动态，表明戊型与甲型肝炎全年呈双峰型相伴流行。提示ＩｇＭ－抗ＨＥＶ是诊断现患戊型肝炎的主要免疫指标。
The positive rate of IgG-anti-HEV was 23.5% (46/196) by indirect ELISA with labeled secondary antibody, of which 10 were IgM-anti-HEV positive (5.1%). From February 1993 to January 1994, the positive rate of IgM-anti-HEV immunization was 6.7% (101/1515). The detection rate of IgM-anti-HAV was 14.2% (302/2133). The statistical positive rate of monthly and month / year statistics showed that both perennial and pentomorphic hepatitis A were endemic. Prompt IgM-anti-HEV diagnosis of hepatitis E is the main immune indicators.