Bacteria and Viruses (IMAGE) Michigan State University Caption These viruses attach a cyanobacteria culture. Credit Jay Lennon, MSU Kellogg Biological Station Usage Restrictions Use only in connection with this news release. 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.