Thoracic CT (IMAGE) University of Barcelona Caption a) A 34-year-old female COVID-19 patient presenting fever with dry cough for 2 days. CT scan shows a slight reticular pattern in the left lower lobe and subpleural area (red frame). b) An 81-year-old female COVID-19 patient presenting fever with cough for 7 days. CT scan shows a reticular pattern superimposed on the background of GGO, resembling the sign of crazy paving stones in the right middle lobe (red frame). Credit Zheng et al. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.