Abstract
Persistent infections by high-risk HPVs (human papillomavirus) are associated with the development of cervical and vulvar cancer in women, penile cancer in men, and anal and oropharyngeal tumors in both gender. Among this group, HPV-16 is worldwide the most prevalent type in cervical carcinomas, followed by HPV-18. In neoplasias of other anogenital sites and the oropharynx, HPV-16 is dete…