A member asked:

Can bacterial infections cause cancer?

9 doctors weighed in across 2 answers

Not directly: Several pathogenic bacteria known to establish persistent infections, can promote or initiate abnormal cell growth by evading the immune system and creating an environment that can result in cancer (chronic inflammation and production of carcinogenic bacterial metabolites). Helicobacter pylori is a species of bacteria that causes ulcers. If left untreated, this can lead to stomach cancer.

Answered 10/24/2017

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Yes: The most famous is h. Pylori bacteria that can cause stomach cancer.

Answered 2/6/2012

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