SummaryTwo full-genome sequences of porcine circovirus type 3 (PCV3) are reported. The genomes were recovered from pooled serum samples from sows who had just deliv-

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Papillomaviruses (PVs) are complex viruses which infect the skin or mucosae of a broad range of amniotes worldwide. They cause benign or malignant lesions depending on environmental factors, virus oncogenicity and the location of infection. Bovine papillomaviruses (BPVs) are the second most studied PVs beyond human PVs. In the past few years, genetic characterization of animal PVs has increased due to the availability of new techniques, which simplified the sequencing of entire genomes. Therefore, this review aims to provide an update of the current epidemiology, classification and genome features of ruminant PVs (mainly BPVs) affecting animals worldwide. The review also aimed to clarify the key differences between the high-risk Delta papillomaviruses and the seemingly low-risk Xi, Epsilon, Dyoxi and Dyokappapillomavirus as well as the recently described PVs BPV18, 19, 21 and PpuPV1 that belongs to an unclassified genus.

A 2.4-kb phi29 polymerase amplification product from serum of a diseased chicken was cloned and sequenced. The 2383-nucleotide sequence showed about 40% identity to a representative genome of chicken anemia virus (CAV), the only member of the genus Gyrovirus, family Circoviridae. The new genome had an organization similar to that of CAV: a putative 5' untranscribed region of about 400 nt followed by three partially overlapping open reading frames encoding VP1, VP2 and VP3 homologs. The amino acid identities between these homologs and those of CAV were 38.8%, 40.3%, and 32.2%, respectively. Based on these limited similarities, it is proposed that the newly identified virus is a member of a new species in the genus Gyrovirus. For this new species, the name Avian gyrovirus 2 (AGV2) is proposed.