evidence: Similar content being viewed by others [...] Rochman, N. D., Wolf, Y. I., Faure, G., Zhang, F. & Koonin, E. V. Ongoing adaptive evolution and globalization of Sars-Cov-2. bioRxiv, 2020.2010.2012.336644. Preprint at https://doi.org/10.1101/2020.10.12.336644 (2020).