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目的了解北京部分地区无偿献血者戊型肝炎病毒(hepatitis E virus,HEV)感染情况。方法采用酶联免疫吸附(ELISA)法对2015年6~12月北京市通州区中心血站的5 400名无偿献血者检测HEV IgG和IgM,并对HEV IgG和IgM双阳的样本进行HEV Ag检测。结果 5 400名无偿献血者中,IgG阳性率为1.17%(63/5 400),IgM阳性率为0.50%(27/5 400),未检出IgM单阳,其中27例为IgG和IgM双阳样本,对其进行HEV Ag检测,结果均为阴性。HEV血清阳性率男女间差异有统计学意义,与年龄无相关性。结论北京部分地区无偿献血者中存在HEV病毒携带者,对献血者是否需开展戊型肝炎筛查仍需进行系统评估。
Objective To understand the infection of hepatitis E virus (HEV) in unpaid blood donors in some areas of Beijing. Methods HEV IgG and IgM were detected by enzyme-linked immunosorbent assay (ELISA) in 5 400 blood donors from Tongzhou District Blood Center in Beijing from June to December 2015. HEV Ag detection was performed on HEV IgG and IgM positive samples . Results Among 5 400 blood donors, the positive rate of IgG was 1.17% (63/5 400) and the positive rate of IgM was 0.50% (27/5 400). No IgM single positive was detected, of which 27 were IgG and IgM double positive Samples were HEV Ag test, the results were negative. The positive rate of HEV between men and women was statistically significant, but no correlation with age. Conclusion HEV carriers are found in unpaid blood donors in some areas of Beijing, and there is still a need for systematic assessment of whether hepatitis E is needed for blood donors.