species Iotatorquevirus suida1a Iotatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification.

The viruses are usually acquired soon after birth and may invade virtually any tissue in the body.

[3][4] Iotatorqueviruses have a circular, single-stranded DNA genome.

Postweaning multisystemic wasting syndrome has been causally associated with porcine circovirus type 2.

[5] The Iotatorquevirus have also been linked with this syndrome but a causative role—if one exists—has yet to be established.