| detection and genotyping of torque teno virus (ttv) in healthy blood donors and patients infected with hbv or hcv in qatar. | torque teno virus (ttv) has been associated with non a-g hepatitis. the goal of this study was to estimate the infection rates and genotypic characteristics of ttv in the state of qatar. a total of 644 blood samples representing different nationalities: (i) qatari (118) and (ii) non-qatari (526) nationals (mostly from arab and south eeast asia countries) were tested for the presence of ttv dna by nested pcr. the majority (573) of the blood samples belonged to healthy blood donors, whereas 54 and ... | 2015 | 25676255 |