In order to find out TTV infection in different types of hepatitis, the TTVDNA in serums of 97 cases was detected by nests PCR.

• 目的:探讨本地区不同型别肝炎患者血清中TTV感染状况。方法:采用巢式PCR对97例不同型别肝炎患者血清中TTVDNA进行检测。