Intravenous drug users sharing syringes caused not only by the blood of AIDS transmission, while the sexual misconduct and drug addicts can AIDS through sexual transmission.

• 静脉注射毒品者不仅通过共用注射器造成艾滋病的血液传播，同时吸毒者的不良性行为又可使艾滋病通过性途径传播。