Bandicoot papillomatosis carcinomatosis viruses are a pair of circular double-stranded DNA virus isolated from bandicoots (Perameles bougainville). The genomes have features similar to viruses in the families Papillomaviridae and the Polyomaviridae. Two strains have been described to date, bandicoot papillomatosis carcinomatosis virus 1 and bandicoot papillomatosis carcinomatosis virus 2.[1]