Lung Tissue c-FLIP (image) Helmholtz Centre for Infection Research Caption This image shows inflammed lung tissue with immune cells that have migrated into the lungs. Their nuclei are stained blue. Credit HZI/Pils Usage Restrictions The image may be used with appropriate credit. 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.