Corresponding Author: Tom Shimabukuro, MD, MPH, MBA, Immunization Safety Office, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA 30329 (ayv6@cdc.gov).
Published Online: January 21, 2021. doi:10.1001/jama.2021.0600
Conflict of Interest Disclosures: None reported.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of CDC or FDA. Mention of a product or company name is for identification purposes only and does not constitute endorsement by CDC or FDA.
Additional Contributions: We thank investigators from the CDC COVID-19 Response Team; the FDA Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research; and the Clinical Immunization Safety Assessment Project.