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. 2003 Dec 3;122(Suppl):14–46. doi: 10.1002/ajpa.10384

Figure 3.

Figure 3

Phylogeny of mammalian Papovaviridae. Composite tree constructed from phylogenies in Ong et al. (1993), Van Ranst et al. (1995), Chan et al. (1997), and Shadan and Villareal (1993). Viruses that regularly infect humans are indicated by bold amd italicized capitals. Papilloma subtypes I and II infect cutaneous tissue and include viruses that cause warts and other skin conditions; subtype IV infects mucosal tissue and includes malignant genital papillomaviruses HPV‐16 and ‐18; subtype III contains viruses that infect both types of tissue. Polyoma viruses infect kidney cells.