Fig. 2: Scatterplot of D57 spike IgG vs. D57 pseudovirus (PsV)-nAb ID50 values for baseline SARS-CoV-2 negative vaccine recipients in the immunogenicity subcohort.
From: Immune correlates analysis of a phase 3 trial of the AZD1222 (ChAdOx1 nCoV-19) vaccine

Corr, Spearman rank correlation.