VA study shows parasite from Vietnam may be killing veterans

A half a century after serving in Vietnam, hundreds of veterans have a new reason to believe they may be dying from a silent bullet — test results show some men may have been infected by a slow-killing parasite while fighting in the jungles of Southeast Asia.The Department of Veterans Affairs this spring commissioned a small pilot study to look into the link between liver flukes ingested through raw or undercooked fish and a rare bile duct cancer. It can take decades for symptoms to appear