Rebound sequences (IMAGE) University of North Carolina Health Care Caption Rebound DNA sequences from the blood (red) and the CSF (blue) Credit Swanstrom Lab, UNC School of Medicine Usage Restrictions credit propertly License Original 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.