The origin and underlying driving forces of the SARS-CoV-2 outbreak
S.-M. Chaw, J.-H. Tai, S.-L. Chen, C.-H. Hsieh, S.-Y. Chang, S.-H. Yeh, W.-S. Yang, P.-J. Chen, H.-Y. Wang
This paper analyzes SARS-CoV-2 genetic variation and finds evidence of intergenomic recombination, relaxed selection, and possible cryptic circulation in humans before the 2020 outbreak.
bioRxiv · Apr 12, 2020Evolutionary Biology