United States
Duke University - Duke Human Vaccine Institute
SARS-CoV-2 spike, Omicron BA.2, cryo-electron microscopy, Receptor binding domain, fusion peptide, immune evasion
XBB.1.5, XBB.1.16, EG.5, vaccine booster, conformational change, virus evolution, allostery, Receptor Binding Domain, thermostability, Cryo-EM