SARS-CoV-2(4) omicron(2) COVID-19(2) Biomarker(1) long-protection(1) dataset(1) electron cryo-microscopy (cryo-EM)(1) Neutralizing titer(1) MERS-CoV(1) Longitudinal data(1) receptor traps(1) approach(1) synthetic library(1) authors(1) cynomolgus monkey antibody(1) tetravalent(1) SARS-CoV-2 immunity(1) Synthetic vaccine(1) estimate(1) protein nanoparticle design(1) natural immunity(1) immunoadhesins(1) population PK/PD(1) avidity(1) example(1) Chronic hepatitis B infection(1) Neutralizing(1) SARS-COV-2 infection(1) pandemic preparedness(1) methodology(1)