输血是乙型肝炎和丙型肝炎的主要传播途径之一，为了控制输血后肝炎的发生，一些发达国家60年代末期开始对供血人员进行严格的检测，使乙型肝炎的比例在输血后肝炎中由20－50％降到5－10％左右，输血后丙型肝炎所占比例相对上升到90-95％[1，2]。在我区输血后肝炎的发生情况还 Blood transfusion is one of the main routes of transmission of hepatitis B and C. In order to control the occurrence of post-transfusion hepatitis, some developed countries began strict testing of blood donors in the late 1960s, so that the proportion of hepatitis B in post-transfusion hepatitis From 20-50% to about 5-10%, the proportion of hepatitis C after blood transfusion has risen to 90-95%[1,2]. The incidence of hepatitis after transfusion in our district