Levi et all media graphic (IMAGE) PNAS Nexus Caption Jaccard distance Jd between dominant SARS-CoV-2 variants in the United Kingdom. Credit Levi 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.