Relying on donor medical history to screen for the presence of “slapped cheek” (B19V) and HAV infections can be problematic as the infections are often asymptomatic. The cobas® TaqScreen DPX Test, designed to run on the cobas s 201 system, can help manage the B19V burden in plasma pools and identify HAV-contaminated units while increasing processing efficiency. The cobas® TaqScreen DPX Test, incorporates multiple dyes, which allows for the simultaneous detection of donor blood infected with the parvovirus B19 and the HAV in one test procedure.