Carcinogenic bacteria

Bacteria known or suspected to cause cancer

Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. While cancer-associated bacteria have long been considered to be opportunistic, there is some evidence that bacteria may be directly carcinogenic. Evidence has shown that a specific stage in cancer can be associated with bacteria that is pathogenic. The strongest evidence to date involves the bacterium H. pylori and its role in gastric cancer.

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