National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia (B.C., C.W., Y.T., R.K.).
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Acknowledgment: The authors thank Lisa Grohskopf of the Influenza Division, Jamison Pike, and Fangjun Zhou of the Immunization Services Division for valuable comments and input. The authors also thank Mary Ann Kirkconnell Hall for her thoughtful and critical review of the manuscript.
Disclosures: Authors have reported no disclosures of interest. Forms can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M21-1550.
Reproducible Research Statement:Study protocol and statistical code: Available from Dr. Cho (e-mail, [email protected]gov). Data set: Available only via a restricted domain accessible only to persons approved through the CMS Virtual Research Data Center platform. The approval may be obtained through written agreements with CMS.
Corresponding Author: Bo-Hyun Cho, PhD, Centers for Disease Control and Prevention, 1600 Clifton Road NE, Mailstop H24-4, Atlanta, GA 30329; e-mail, [email protected]gov.
Author Contributions: Conception and design: B. Cho, C. Weinbaum, Y. Tsai, R. Koppaka.
Analysis and interpretation of the data: B. Cho, C. Weinbaum, Y. Tsai, R. Koppaka.
Drafting of the article: B. Cho, C. Weinbaum, Y. Tsai, R. Koppaka.
Critical revision of the article for important intellectual content: B. Cho, C. Weinbaum, Y. Tsai, R. Koppaka.
Final approval of the article: B. Cho, C. Weinbaum, Y. Tsai, R. Koppaka.
Statistical expertise: B. Cho, Y. Tsai.
Administrative, technical, or logistic support: B. Cho, C. Weinbaum.
Collection and assembly of data: B. Cho.
This article was published at Annals.org on 16 November 2021.