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按照《全国病毒性肝炎调查方案》在长沙东区等六个全国疾病监测点，采用不等比例多阶段整群系统随机抽样的方法确定调查对象，采集血清标本检测抗－ＨＥＶ，结果，六个调查点人群抗－ＨＥＶＩｇＧ平均阳性率为１５．２１％，其中：城市和农村人群阳性率分别为１６．１７％和１４．７４％；不同年龄人群阳性率以２５岁以上者为高；不同职业人群阳性率以工人最高（１８．１５％）。采用二项式分布检验法分析显示戊肝抗体阳性呈明显的家庭聚集现象。
According to the “National Viral Hepatitis Survey Program” in the six national disease surveillance sites in the eastern part of Changsha, the random sample of unequal proportion multistage cluster system was used to identify the subjects. Serum samples were collected to detect anti-HEV. Six investigations The average positive rate of anti-HEVIgG in point population was 15.21%, of which: the positive rates in urban and rural areas were 16.17% and 14.74% respectively; the positive rates in different age groups were higher than 25 years old; The positive rate was highest among workers (18.15%). Analysis by binomial distribution test showed that the positive of hepatitis E antibody showed significant family aggregation.