Statistical analysis
RBD
All data analyses were prespecified in the Statistical Analysis Plan (Univariate analyses of the D29 and D57 LV-MNA multivariable Cox model was fit (using the same fitting approach as for individual markers) that included D29 RBD IgG, D29 PsV-nAb IDCross-validated model selection, also referred to as discrete super learning (Point and 95% CI estimates of vaccine efficacy by D29 or D57 LV-MND29 LV-MNThe method by Follmann (All analysis was implemented in R version 4.0.3, and the code was verified using mock data. All 