TY - RPRT TI - Evidence for a mouse origin of the SARS-CoV-2 Omicron variant AU - Wei, C. AU - Shan, K.-J. AU - Wang, W. AU - Zhang, S. AU - Huan, Q. AU - Qian, W. PY - 2021 DO - 10.1101/2021.12.14.472632 UR - https://www.biorxiv.org/content/10.1101/2021.12.14.472632v1 ID - 10.1101/2021.12.14.472632 ER -