Intriguing viral link to intestinal cancer in mice

More than 50 percent of adults in the United States test positive for human cytomegalovirus (HCMV) infection. For most people, infection produces no symptoms and results in the virus persisting in the body for a long time. New research in mice now suggests that it is possible that HCMV infection could help promote intestinal cancer in humans, although more human studies are needed if such an association is to be confirmed.

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