wwwmyu.net.cn methods of prevention Observe sexual morality, dont have sex with those who are AIDS patients Avoid unnecessary blood transfusion and injection, refuse using HIV contaminated blood, and use the clean surgical instruments only Stop receiving virus from mother generation by using drugsmethods of prevention • Observe sexual morality ,don't have sex with those who are AIDS patients . • Avoid unnecessary blood transfusion and injection , refuse using HIV contaminated blood , and use the clean surgical instruments only . • Stop receiving virus from mother generation by using drugs