Approximately What Percentage of Human Tumors are Associated with Infectious

Question

Approximately what percentage of human tumors are associated with infectious agents?
A)5%
B)10%
C)20%
D)40%
E)60%

Accepted Answer

Approximately 20% of human tumors are associated with infectious agents, such as viruses or bacteria. This includes well-known examples such as HPV-associated cervical cancer and Helicobacter pylori-associated stomach cancer. However, it is important to note that not all infections lead to cancer and not all cancers are caused by infections.