Table 1 Contaminating AVs have been found in many tissues and body fluids of the human population and their effects have been studied

Torque teno virus (TTV)

Bile [11, 12]

Liver [13]

Cervical [2]

Bone marrow [12, 13]

Gut [14]

Nasal [15]

Fetal [16]

Gastric [17]

Placenta [16]

Cervical lymph nodes [18]

Blood [19]

Saliva [20]

Urine [21]

Fecal [22]

Sweat [23]

Semen [20]

Plasma [24]

Breast milk [5]

Amniotic fluid [25]

Torque teno mini virus (TTMV)

Bile [12]

Liver [26]

Cervical [2, 27]

Bone marrow [12]

Brain [28, 29]

Gingival [30]

Cervical lymph nodes [18]

Blood [24]

Saliva [24]

Torque teno midi virus (TTMDV)

Cervical [31]

Nasopharyngeal [32]

Blood [33]

Urine [32]

Stool [32]