May 12, 2025 · Viral infections significantly contribute to the global cancer burden, with seven known Group 1 oncogenic viruses , including hepatitis B virus (HBV), human papillomavirus (HPV), EBV, Kaposi... May 12, 2025 · Viral infections significantly contribute to the global cancer burden, with seven known Group 1 oncogenic viruses , including hepatitis B virus (HBV), human papillomavirus (HPV), EBV, Kaposi... There are several oncoviruses that increase your risk for different types of cancer . Infectious disease specialist Harrys Torres, M.D., shares what you should know about these viruses and how you can protect yourself. There are several oncoviruses that increase your risk for different types of cancer . Infectious disease specialist Harrys Torres, M.D., shares what you should know about these viruses and how you can protect yourself. Nearly 20% of worldwide cancers , encompassing millions of individuals, stem from viral infections.