Objective To assess a new generation test,the Cobas Taq Screen MPX Test,version 2. 0,in reducing HBV residual risk in blood donors. Methods The MPX v 2. 0 and MPX v 1. 0 were performed on Cobas s201 in pools of 6 on 165 seronegative samples in parallel processing. All NAT-reactive samples were followed-up. Discrimination tests were performed using Roche CAP / CTM Systems. Additional serology testing( electrogenerated chemiluminescence immunoassay,ECL) were conducted to detect total anti-HBc,anti-HBs,anti-HB...