Testing is underway on vaccines to intercept brewing colon cancer before it takes root

Scientists are developing potential vaccines to intercept colon cancer caused by faulty genes, particularly those linked to Lynch syndrome. The article notes that while yearly colonoscopies are often required for high-risk individuals, these new vaccine efforts aim to teach the immune system to prevent full-fledged tumors. Three such vaccines are currently in development, with trials underway in the U.S. and Britain.