| prevalence and genotyping of group 3 torque teno viruses detected in health care workers in hungary. | torque teno viruses (ttvs) are classified into the anellovirus genus of the circoviridae family. in addition to ttv isolates, ttv genogroup 3 also includes the 8 virus strains known as senv-a to h. in this study, the prevalence of ttv group 3 viruses and that of senv-d and h in particular were determined among the staff of a hospital in budapest. viruses were genotyped using type-specific pcr primers and by cloning and sequencing of pcr products. frequency of infection with ttv group 3 was high ... | 2009 | 19449160 |