Papillomavirus - classification


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Principles of classification based on genotype



PVs genomes are fairly static: sequence changes by mutation or recombination are rare events and apparently occur at frequencies not very different from those of the DNA genomes of the infected host organisms. Maximum divergence occurs between viruses sampled from ethnic groups that evolved for a long time without interactions, for example Africans and American Indians. It leads to the conclusion that each HPV type was with the human species since our origin, and evolved and spread together with the infected cohort. There was never time or an ethnic group without common warts, genital warts, etc. The following taxonomic groups of PVs were developed:

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