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在日本经HBsAg筛选供血者以来,输血后肝炎(PTH)有所减少,但仍经常发生,这些PTH 中乙型肝炎占10～20%,而80～90%的PTH 在血清学上与甲型肝炎、乙型肝炎、EB病毒和巨细胞病毒性肝炎无关。这些病例大部分有肝脏损害,现在已明确是与另外一种病原因子——非甲非乙型肝炎抗原(病毒)有关。特别是病程迁延和慢性化率较高,且通过感染实验可形成非甲非乙型肝炎病毒的持续携带者,在临床上也注意到与肝硬化、肝癌有关。
Post-transfusion hepatitis (PTH) has decreased, but still frequently, occurs in Japan with HBsAg screening of blood donors, with hepatitis B accounting for 10-20% of these PTHs and 80-90% of PTH serologically linked to type A Hepatitis, hepatitis B, Epstein-Barr virus and cytomegalovirus hepatitis have nothing to do. Most of these cases have liver damage, and it is now clearly related to another pathogen, non-A, non-B hepatitis antigen (virus). Especially the duration of the disease and the higher rate of chronic, and by infection experiments can form non-A non-hepatitis B virus carriers, clinically also noted with cirrhosis, liver cancer.