Dalle Carbonare et al. perform a serology study in participants with a prior infection of SARS-CoV-2 and those who are SARS-CoV-2-naïve, who received two doses of the Pfizer-BioNTech BNT162b2 vaccine. After a single dose they observe a quicker recall of pseudovirus neutralization titres in previously-infected participants and a potent IgA response in both groups that was not associated with serum neutralization titres.
- Luca Dalle Carbonare
- Maria Teresa Valenti
- Donato Zipeto