丙型肝炎病毒 (ＨＣＶ)常通过输血或静脉药物滥用等非胃肠途径传播 ,但很多ＨＣＶ感染者无明确的非肠胃途径传播因素 ,提示存在其它传播途经。ＨＩＶ感染者常同时感染ＨＣＶ(2 0 %～ 6 5 % )。为了评价ＨＩＶ感染在ＨＣＶ性传播中的作用 ,该研究在具有异性或同性性接触而无静脉 Hepatitis C virus (HCV) is commonly transmitted by non-gastrointestinal routes such as transfusions or intravenous drug abuse, but many HCV-infected individuals do not have a clear parenteral route of transmission suggesting that other routes of transmission exist. HIV infection often infected with HCV (20% ~ 65%). In order to evaluate the role of HIV infection in the transmission of HCV, the study was conducted in patients with heterosexual or homosexual contacts without venous