Approximately 15 per cent of human cancer incidence can be attributed to virus infection, i.e. viruses represent the second most important risk factor (after tobacco consumption) for cancer development in humans. Today, five virus types are known to be involved in causing human cancer: papillomaviruses, retroviruses, herpesviruses, hepadnaviruses, and flaviviruses.
Approximately 15 per cent of human cancer incidence can be attributed to virus infection, i.e. viruses represent the second most important risk factor...
