Cele, S., Jackson, L., Khoury, D. S., Khan, K., Moyo-Gwete, T., Tegally, H., San, J. E., Cromer, D., Scheepers, C., Amoako, D. G., Karim, F., Bernstein, M., Lustig, G., Archary, D., Smith, M., Ganga, Y., Jule, Z., Reedoy, K., Hwa, S.-H., … Sigal, A. (2021). Omicron extensively but incompletely escapes Pfizer BNT162b2 neutralization. Nature, 602(7898), 654–656. https://doi.org/10.1038/s41586-021-04387-1