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SARS-CoV-2 Antibody Responses in Infection-Naive or Previously Infected Individuals After 1 and 2 Doses of the BNT162b2 Vaccine

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To identify the key insights or developments described in this article
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Article Information

Accepted for Publication: May 27, 2021.

Published: August 6, 2021. doi:10.1001/jamanetworkopen.2021.19741

Open Access: This is an open access article distributed under the terms of the CC-BY-NC-ND License. © 2021 Anderson M et al. JAMA Network Open.

Corresponding Author: James Moy, MD, Division of Allergy and Immunology, Department of Internal Medicine, Rush University Medical Center, 1725 W Harrison St, Ste 117, Chicago, IL 60612 (jmoy@rush.edu).

Author Contributions: Drs Anderson and Moy had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.

Concept and design: Anderson, Landay, Cloherty, Moy.

Acquisition, analysis, or interpretation of data: All authors.

Drafting of the manuscript: Anderson, Landay, Cloherty, Moy.

Critical revision of the manuscript for important intellectual content: All authors.

Statistical analysis: Anderson, Moy.

Obtained funding: Cloherty, Moy.

Administrative, technical, or material support: Anderson, Stec, Cloherty, Moy.

Supervision: Anderson, Landay, Cloherty, Moy.

Conflict of Interest Disclosures: None reported.

Funding/Support: This work was supported by Abbott Diagnostics Division Research and Development funding.

Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

References
1.
Polack  FP , Thomas  SJ , Kitchin  N ,  et al; C4591001 Clinical Trial Group.  Safety and efficacy of the BNT162b2 mRNA Covid-19 vaccine.   N Engl J Med. 2020;383(27):2603-2615. doi:10.1056/NEJMoa2034577PubMedGoogle ScholarCrossref
2.
Manisty  C , Otter  AD , Treibel  TA ,  et al.  Antibody response to first BNT162b2 dose in previously SARS-CoV-2-infected individuals.   Lancet. 2021;397(10279):1057-1058. doi:10.1016/S0140-6736(21)00501-8PubMedGoogle ScholarCrossref
3.
Prendecki  M , Clarke  C , Brown  J ,  et al.  Effect of previous SARS-CoV-2 infection on humoral and T-cell responses to single-dose BNT162b2 vaccine.   Lancet. 2021;397(10280):1178-1181. doi:10.1016/S0140-6736(21)00502-XPubMedGoogle ScholarCrossref
4.
Bradley  T , Grundberg  E , Selvarangan  R ,  et al.  Antibody responses after a single dose of SARS-CoV-2 mRNA vaccine.   N Engl J Med. 2021;384(20):1959-1961. doi:10.1056/NEJMc2102051PubMedGoogle ScholarCrossref
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