Antibody responses to SARS-CoV-2 vaccine peak at Day 28 in those with low pre-existing immunity to Ad5.
Geometric mean titres in response to serum antibodies Pearson’s correlation coefficient was calculated to correlate serological responses to Ad5 load, that is, baseline GMTs to Ad5 (i.e., pre-existing Ad5 antibodies) were correlated against GMTs to RBD, S protein and NAbs post-vaccination (