Virus	Cancer
Human papilloma viruses (HpVs)	Cervical, penile, and vulvar cancers
Hepatitis B virus	Liver cancer
Human T-cell leukemia virus 1 (HTLV-1)	Adult T-cell leukemia
Human T-cell leukemia virus 2 (HTLV-2)	Hairy-cell leukemia
Epstein–Barr virus	Burkitt lymphoma, nasopharyngeal cancer, Hodgkin lymphoma
Human herpes virus	Kaposi sarcoma
Merkel cell polyomavirus	Merkel cell carcinoma
Note: Some of these associations between cancer and viruses exist only in certain populations and geographic areas.