【摘要】 TT病毒属于首次感染人类的圆环病毒 ,全长 3 85 2个核苷酸 ,目前通常分成 6个基因型。临床感染引起病毒性肝炎 ,但症状各异 ;PCR是主要诊断方法。TT病毒感染分布广泛 ,血制品被认为是主要传播途径 ;预防措施以加强输血和血制品管理为主 ,同时须阻断粪→口感染途径。目前要深化 TT病毒调查和研究 ,以控制 TT病毒的感染。更多还原

【Abstract】 TTV(transfusion transmitted virus,TTV) is a first human member of circoviridae family,with 3852 nucleotides and 6 genotypes There are different symptoms for clinical viral hepatitis and the case is diagnosed by means of PCR TTV is widely distributed and transmitted by blood donations Intensifying the managements of blood transfusion and their products and blocking the fecal contamination are the most important prevention measures At the same time, the research and investigation of TTV should be strengthened in order to control the virus infection of TTV更多还原