Viral Biogeonome (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Co-author Russell Neches constructed this graphic and used it to examine the number of viruses and viral families that are shared among cities. Credit Russell Neches/Berkeley Lab 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.