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本世纪70年代中期,Prince和Feinstone等从输血后肝炎(PTH)患者中发现一种既不属于乙型肝炎(HB)又不属于甲型肝炎(HA),而且没有巨细胞病毒(CMV)和EB病毒(EBV)感染证据的病毒性肝炎,引起了广大医务工作者的关注。通过几年来的研究,已对它有了进一步的认识,并定名为非甲非乙型肝炎(以下简称HNANB)。据已有资料表明,HNANB比过去有增加的趋势,在输血后肝炎中占有重要位置。目前,它几乎占现有病毒性肝炎患者的1/3～1/2,占输血后肝炎的90%左右。乙型肝炎仅占输血后肝炎的5～10%。CMV和EBV引起的很少。由HA病
In the mid-1970s, Prince and Feinstone, among others, found that patients with posttransfusion hepatitis (PTH) were neither hepatitis B (HB) nor Hepatitis A (HA), and did not have cytomegalovirus (CMV) and Viral hepatitis, evidence of Epstein-Barr virus (EBV) infection, aroused the concern of the majority of medical workers. After several years of research, it has been further recognized and named non-A non-Hepatitis B (hereinafter referred to as HNANB). According to the available data, HNANB has an increasing trend over the past and occupies a significant place in post-transfusion hepatitis. Currently, it accounts for almost one-third to one-half of current patients with viral hepatitis and accounts for about 90% of post-transfusion hepatitis. Hepatitis B accounts for only 5 to 10% of post-transfusion hepatitis. CMV and EBV caused very little. By HA disease