Why Does This Matter? (VIDEO) Albert Einstein College of Medicine This video is under embargo. Please login to access this video. Caption A newly discovered family of viruses appears to play a major role in killing marine bacteria and maintaining the ocean's ecology. Preliminary evidence suggests that related bacterial viruses also occur in the human gut. Credit Albert Einstein College of medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.