Resumo
Some types of human papillomavirus (HPV) and the Epstein-Barr virus (EBV) are considered type 1 carcinogens by the International Agency for Research on Cancer (IARC). Together, these viruses are the etiologic factor in approximately 6% of new cancer cases worldwide. Infection with high-risk oncogenic HPV is the etiological factor of practically 100% of uterine cervix carcinomas and more t…