Karin Holmfeldt, Linnaeus University (image) University of Arizona Caption Karin Holmfeldt, the study's first author, is shown aboard a research vessel sampling viruses in the Atlantic Ocean. Credit Marie Louise Kjaergaard Schroter Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.