Session: Viral and Bacterial Causes of Cancer

Viral and Bacterial Causes of Cancer


The bacterium Helicobacter pylori causes stomach cancer in people who are infected with it. Hepatocellular carcinoma is caused by chronic HBV and HCV infection. Some viruses are known to cause or contribute to cancer development. Oncogenic viruses are the type of viruses that cause cancer. Unlike other viruses that induce an acute infection, such as influenza viruses, oncogenic viruses frequently cause long-term, chronic illness. persistent infections. Vaccines to help prevent specific human cancers have been developed in response to viruses as a cause of cancer. However, these vaccines can only protect against infections if they are given before the cancer-causing virus is encountered.

·         Hepatitis B virus (HBV) and hepatitis C virus (HCV)
·         Epstein-Barr virus (EBV
·         Human papillomavirus (HPV
·         Human herpesvirus 8 (HHV-8) 
·         Human T-lymphotropic virus-1 (HTLV-1)