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对５０例以静脉注射方式的海洛因滥用者（ＩｎｔｒｏｖｅｎｏｕｓＤｒｕｇＡｂｕｓｅｒｓ，ＩＶＤＡｓ）和２０例经呼吸道（烫吸）吸入的海洛因滥用者（ＩｎｈａｌｅＤｒｕｇＡｂｕｓｅｒｓ，ＩＨＤＡｓ）进行了艾滋病病毒抗体（ＨＩＶＡｂ）、丙肝病毒抗体（ＨＣＶＡｂ）、ＥＢ病毒抗体（ＥＢＶＩｇＧ／Ｚ）和乙肝表面抗原（ＨＢｓＡｇ）的血清学检测，并对两个群体的病毒感染状况进行了病例对照研究。结果表明，静脉注射的药物滥用方式是ＨＣＶ和ＨＢＶ（丙肝和乙肝病毒）感染的高度危险因素；而非注射方式的药物滥用与ＨＣＶ、ＨＢＶ感染似无联系，但是ＥＢＶ感染的高度危险因素。由于ＨＩＶ、ＨＢＶ、ＨＣＶ都主要是经血行感染，传播途径基本相同，因此，静脉内注射方式的毒品滥用是包括ＨＩＶ感染在内的ＨＢＶ、ＨＣＶ感染的重要独立危险因素。
HIV antibody (HIVAb), hepatitis C virus antibody (HCVAb) and hepatitis C virus (HIV) were tested in 50 cases of intravenous injection of Introvenous Drug Abusers (IVDAs) and 20 cases of Inhaled Drug Abusers (IHDAs) , Epstein-Barr virus (EBVIgG / Z) and hepatitis B surface antigen (HBsAg) serological detection, and two groups of cases of viral infection were case-control study. The results showed that intravenous drug abuse was a high risk factor for HCV and HBV infection (hepatitis C and HBV); non-injectable drug abuse was not associated with HCV and HBV infection but was a high risk factor for EBV infection. Since HIV, HBV and HCV are mainly transmitted by bloodstream and transmitted in basically the same way, drug abuse by intravenous injection is an important independent risk factor for HBV and HCV infection, including HIV infection.