Reversing Flu Damage (image) Rockefeller University Press Caption This image depicts healthy lung tissue (bottom section), damage inflicted by flu infection (middle), and reduced pathology after depletion of previously infected club cells (upper). Credit Emilie Clark Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.