庚型肝炎病毒 (HGV)主要经血及血液制品等肠道外途径传播 ,受血者、静注毒品成瘾者等均为高危人群。国内献血者中存在较高的 HGV感染 ,且分布较广 [1 ] 。已有研究表明 ,HGV感染是输血后肝炎 (PTH)发生的重要原因之一 ;且 HGV抗体为非保护性抗体 ,可作为 HGV的感染性指标 [2 ] Hepatitis G virus (HGV) is mainly transmitted by the parenteral routes of menstrual blood and blood products, and the recipients of blood recipients and intravenous drug addicts are all at high risk. There is a high prevalence of HGV infection in domestic blood donors, and is widely distributed [1]. It has been reported that HGV infection is one of the important causes of posttransfusion hepatitis (PTH). HGV antibody is an unprotected antibody that can be used as an infectious index of HGV [2]