1 in 8 cancer cases are caused by infections, underscoring the importance of vaccines, experts say

www.livescience.com · 2026-10-05 · by Long Nguyen ·generic
Four pathogens account for most infection-related cancers, a new study highlights, but the tools to prevent them range from well-established vaccines to treatments still under development.

1 in 8 cancer cases are caused by infections, underscoring the importance of vaccines, experts say

A series of orange spheres on a bumpy surface.

HPV (pictured) is responsible for a large proportion of infection-related cancers worldwide.

(Image credit: KATERYNA KON/SCIENCE PHOTO LIBRARY via Getty Images)

Anirban Mukhopadhyay is an independent science journalist. He holds a PhD in genetics and a master’s in computational biology and drug design. He regularly writes for The Hindu and has contributed to The Wire Science, where he conveys complex biomedical research to the public in accessible language. Beyond science writing, he enjoys creating and reading fiction that blends myth, memory, and melancholy into surreal tales exploring grief, identity, and the quiet magic of self-discovery. In his free time, he loves long walks with his dog and motorcycling across The Himalayas.

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