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Macmillan and Cancerbackup merged in 2008. Together we provide free, high quality information for people affected by cancer through our publications, website and phone service. Find out more|.
Find out how we produce our information|
It is important to remember cancers are not infectious and cannot be caught from someone. However, there are a number of different viruses that are thought to be contributing factors in the development of cancer.
For example, exposure to HPV (human papilloma virus) is known to increase the risk of developing some types of cancer. For further information about this, see the section about HPV and cancer|.
Other viruses include the Epstein-Barr virus, which is linked to some types of lymphoma.
There is also a bacterial infection known as H-pylori which is linked to a rare type of stomach cancer.
For answers, support or just a chat, call the Macmillan Support Line free (Monday to Friday, 9am-8pm)
If you have any questions about cancer, need support or just want someone to talk to, ask Macmillan.