Figure I. Effect of vaccination on the induction of systemic and local neutralizing antibodies. A-B, Percentage of patients with SARS-CoV-2 neutralizing antibodies (a) and degree of ACE2 binding inhibition (b) in serum prior and post vaccination with BNT162b2 and ChAdOx1. C-D, Percentage of patients with SARS-CoV-2 NAbs (c) and degree of ACE2 binding inhibition (d) in nasal secretions prior and post vaccination with BNT162b2 and ChAdOx1.
Asterisks indicate statistical significance by two-way repeated-measures ANOVA followed by Sidak’s multiple comparisons test. *: p<0.05, **: p<0.001, ***: p<0.0002, ****: p<0,0001.