Accepted for Publication: December 7, 2020.
Published: January 7, 2021. doi:10.1001/jamanetworkopen.2020.35057
Correction: This article was corrected on February 12, 2021, to fix an error in the Supplement.
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2021 Johansson MA et al. JAMA Network Open.
Corresponding Author: Jay C. Butler, MD, Office of the Deputy Director for Infectious Diseases, US Centers for Disease Control and Prevention, 1600 Clifton Rd, Mailstop H24-12, Atlanta, GA 30329 (jcb3@cdc.gov).
Author Contributions: Dr Johansson had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Johansson, Quandelacy, Kada, Brooks, Slayton, Butler.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Johansson, Quandelacy, Brooks, Biggerstaff, Butler.
Critical revision of the manuscript for important intellectual content: Johansson, Kada, Prasad, Steele, Brooks, Slayton, Biggerstaff, Butler.
Statistical analysis: Johansson, Quandelacy, Kada.
Administrative, technical, or material support: Prasad, Steele, Brooks, Biggerstaff, Butler.
Supervision: Johansson, Butler.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was performed as part of the US Centers for Disease Control and Prevention’s coronavirus disease 2019 response and was supported solely by federal base and response 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.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention.