In 1898 the first case of transmissible warts in the dog was reported in a scientific journal. Not until 1959, it was demonstrated that canine papillomas were based on transmission of warts by cell-free extracts. This suggested involvement of viral infection. The cloning and sequencing of the genome of canine oral papillomavirus (COPV) was finished in 1994. Recently there are more and more canine papillomaviruses been discovered and sequenced. To date there are total seven types, and the list is keep growing.
Oral warts, inverted papillomas
The most common canine papillomavirus Infection.
Footpad warts, Body skin warts,
Inverted papillomas, exophytic warts
The second most common canine papillomavirus infection.
Pigmented plaques, in situ SCC
Closely related to CPV1
Exophytic warts, in situ SCC
Closely related to CPV2