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Transmission electron micrograph showing HPV and cancer particles.

Causes of cancer

Infections (e.g. HPV) and cancer

You can't catch cancer, but some infections can increase your risk of cancer. Find out more about cancer-causing infections such as HPV, who can be affected and how you can reduce your risk.

A stock illustration of the human papillomavirus (HPV).

Does HPV cause cancer?

HPV is a common infection. For most people it doesn't cause any problems, but some types of the virus can increase cancer risk.

Illustrative picture of human papillomavirus HPV vaccine.

The HPV vaccine

HPV vaccination protects against HPV, the virus that causes almost all cases of cervical cancer and some other cancers.

Helicobacter pylori bacterium, coloured transmission electron micrograph (TEM).

Does H. pylori cause cancer?

H. pylori is a type of bacteria that can increase the risk of cancer, especially stomach cancer.

Test tubes in a lab.

Can infection with EBV, HIV, hepatitis or parasites cause cancer?

Some infections increase the risk of cancer, including EBV, HIV, hepatitis B and C, and certain parasites.

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Nurse helpline

Questions about cancer? Call freephone 0808 800 40 40 from 9 to 5 - Monday to Friday. Alternatively, you can email us.

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