Calisher, C. H., Carroll, D., Colwell, R., Corley, R. B., Daszak, P., Drosten, C., Enjuanes, L., Farrar, J., Field, H., Golding, J., Gorbalenya, A. E., Haagmans, B., Hughes, J. M., Keusch, G. T., Lam, S. K., Lubroth, J., Mackenzie, J. S., Madoff, L., Mazet, J. K., Perlman, S. M., Poon, L., Saif, L., Subbarao, K., & Turner, M. (2021). science, not speculation, is essential to determine how SARS-CoV-2 reached humans. Lancet, 398(10296), 209–211. http://access.bl.uk/ark:/81055/vdc_100134863884.0x000054