Fig. A New Classification Approach (IMAGE) Moscow Institute of Physics and Technology Caption Fig. A new classification approach proposed in the study enabled the identification of the B0/N-90 sublineage which poses a threat to immunocompromised patients. Credit MIPT Press Office 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.