Lung Disease Patient (IMAGE) American Thoracic Society Caption New study finds up to 11 percent of patients had lung scarring after COVID-19 infection that may get worse over time. Credit ATS 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.