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输血最常见的严重并发症是传播感染,虽然很多传染病及微生物可通过输血传播,但最重要的仍是病毒性肝炎。作者认为甲型、乙型肝炎均可通过口及肠道外二种方式传播,血清学研究乙型肝炎表面抗原(HBsAg)证明,许多流行性肝炎病人是乙型肝炎。随着甲型和乙型肝炎血清学检验的进一步发展,发现—个或更多其他引起肝炎的病毒,这个疾病或这组疾病近来命名为非甲非乙型肝炎,其潜伏期从2周到4个月。自从排除了所有HBsAg阳性供血员以来,非甲非乙型肝炎成为最常见的输血后肝炎,占80～90％。
The most common serious complication of blood transfusion is transmission of infection. Although many infectious diseases and microbes can be transmitted by blood transfusions, the most important is still viral hepatitis. The authors believe that both Hepatitis A and Hepatitis B can be transmitted by both oral and parenteral routes. Serological studies on hepatitis B surface antigen (HBsAg) prove that many people with epidemic hepatitis are Hepatitis B. With the further development of serological tests for hepatitis A and B, it has been found that one or more other viruses that cause hepatitis are recently named non-A, non-B hepatitis with a latency of 2 to 4 month. Non-A, non-B hepatitis has become the most common post-transfusion hepatitis, accounting for 80-90% of all HBsAg-positive donors.