Understanding the Origin of ‘BatCoVRaTG13’, a Virus Closest to SARS-CoV-2 https://www.preprints.org/manuscript/202005.0322/v2
Lethal Pneumonia Cases in Mojiang Miners (2012) and the Mineshaft Could Provide Important Clues to the Origin of SARS-CoV-2 https://www.frontiersin.org/articles/10.3389/fpubh.2020.581569/full