SARS-CoV-2 Immunogenicity if infected before, after COVID vaccination: Implications for vax policy

 Kamal Abu Jabal, Hila Ben Amram,  

View ORCID ProfileKarine Beiruti, Ira Brimat, Ashraf Abu Saada, Younes Bathish, Christian Sussan,  View ORCID ProfileSalman Zarka,  View ORCID ProfileMichael Edelstein

doi: https://doi.org/10.1101/2021.04.11.21255273

This article is a preprint and has not been certified by peer review [what does this mean?]. It reports new medical research that has yet to be evaluated and so should not be used to guide clinical practice.

PDF: https://www.medrxiv.org/content/10.1101/2021.04.11.21255273v1.full.pdf

Abstract

Between December 2020-March 2021 we measured anti-SARS-CoV-2 IgG titers post-vaccination with the BNT162b2 vaccine among 725 Israeli hospital workers. Previously infected individuals who received one dose had higher IgG titres than fully vaccinated, never-infected workers. Post-vaccination infection did not increase IgG titres. Individuals infected post-dose one should receive the second.

Competing Interest Statement

The authors have declared no competing interest.

Funding Statement

no external funding was received

https://www.medrxiv.org/content/10.1101/2021.04.11.21255273v1