Virus Cancer. An oncovirus is a virus that can cause cancer. Researchers know that there are several viruses that can lead to cancer.
In ks the cells that line blood and lymph vessels are infected with hhv 8. Hepatitis b virus hbv dna was found in 62 of the 330 cases of liver cancer. Studying viruses and cancer is helping researchers develop vaccines and other ways to reduce cancer risk.
Most viral infections however do not lead to tumor formation as several factors influence the progression from viral infection to cancer development.
Mcv is a common virus that infects the skin. Long lasting infections with high risk hpvs can cause cancer in parts of the body where hpv infects cells such as in the cervix oropharynx the part of the throat at the back of the mouth behind the oral cavity that also includes the back third of the tongue the soft palate the side and back walls of the throat and the tonsils anus penis vagina and vulva. And hepatitis c can lead to liver cancer and non hodgkin s lymphoma. In two out of three cases the cancer has already spread to the lymph nodes.