A surprising number of cancer cases are tied to common everyday virus and scientists are shedding light on ways people can stay safe.
More than 12 percent of global cancer cases are linked to viruses, bacteria and other infections, new research published this year shows. The largest contributors to the disease are Helicobacter pylori, human papillomavirus, hepatitis B virus, Epstein–Barr virus and hepatitis C virus, according to the International Agency for Research on Cancer.