ChAdOx1 COVID vaccines express RBD open prefusion SARS-CoV-2 spikes on the cell surface
Zhang P., Gilbert S., Radecke J., Ni T., Mendonca L., Zhu Y., Howe A., Shah PM., Sheng Y., Krebs A-S., Duyvesteyn HME., Allen E., Lambe T., Bissett C., Morris S., Spencer A., Stuart DI.