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为探讨输血后庚型肝炎的发病率，１９９７ 年２ 月开始，我们采用前瞻性研究方法，对１０２名住院输血病人进行了１２ 个月的随访研究。１１３ 名献血员提供的１１３ 份血液中单纯ＡＬＴ 异常率３－５ ％ （４／１１３） ，抗－ ＨＧＶ阳性率８－９ ％ （１０／１１３） ，抗－ ＨＣＶ 阳性率３－５ ％ （４／１１３） ；输血后ＨＧＶ 感染率为３－８ ％ （４／１０２） ；１０ 人输入抗－ ＨＧＶ 阳性血，输血后ＨＧＶ 感染４ 例，其中ＰＴ－ ＨＧ２ 例，ＰＴ－ ＨＧ潜伏期３８ ～６２ 天，平均４５ 天；抗－ ＨＧＶ 最早检出时间为输血后３８ 天，最迟为９６ 天，平均为６３－５ 天；ＰＴ－ ＨＣ发病率为４－９％ （５／１０２） ，５ 例ＰＴ－ ＨＣ 中４ 例输入抗－ ＨＣＶ 阳性血，１ 例输入单纯ＡＬＴ异常血，ＰＴ－ ＨＣＶ 感染率为１００ ％ ，证实ＨＧＶ 可经血传播，ＨＧ 的慢性化程度较高，ＨＧＶ可形成慢性携带；抗－ ＨＣＶ 阳性血具有很强的传染性。
In order to explore the incidence of hepatitis G after transfusion, we conducted a prospective 12-month follow-up study of 102 hospitalized transfusion patients using a prospective study from February 1997. Of the 113 blood donors provided by 113 blood donors, the ALT abnormality rate was 3-5% (4/113), the anti - HGV positive rate was 8-9% (10/113) and the anti - HCV positive rate was 3-5% (4 / 113). The infection rate of HGV after transfusion was 3-8% (4/102). Ten patients had anti-HGV positive blood transfusion, and 4 cases were HGV infection after transfusion. Among them, 2 cases of PT- HG and PT- HG had an incubation period of 38-62 days , An average of 45 days. The earliest detection time of anti-HGV was 38 days after transfusion, the latest was 96 days, with an average of 63-5 days. The incidence of PT-HC was 4-9% (5/102) - In 4 cases of HC, anti-HCV positive blood was input in 4 cases and simple ALT blood was imported in 1 case. The infection rate of PT-HCV was 100%. It was confirmed that HGV could be transmitted by blood. HG was more chronic. - HCV positive blood is highly contagious.