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1997年Nishizawa等[1]从日本一名输血后非甲非戊型肝炎病人克隆到1个500bp的片段(N22),证实其与输血后肝炎高度相关,并把该基因片段可能代表的病毒以病人名字命名为TT病毒(TTvirus,TTV)。同年,日本科学家完成TTV全基因的测定。我国1998年6月由中国军事医学科学院首次分离出中国
In 1997, Nishizawa et al [1] cloned a 500 bp fragment (N22) from a post-transfusion non-A non-HE hepatitis patient in Japan, confirming that it is highly related to post-transfusion hepatitis and that the virus possibly represented by this gene fragment The name of the patient is TT virus (TTV). In the same year, Japanese scientists completed the determination of TTV whole genome. China in June 1998 by the Chinese Academy of Military Medical Sciences for the first time isolated from China