Confocal images (IMAGE) PNAS Nexus Caption Confocal images of brain cross sections from mice either uninfected (Ctrl) or infected (SARS-CoV-2) with B.1. strain. Scale bar: 20 μm. Credit Di Primio et al. Usage Restrictions None 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.