Corresponding Author: Tom Shimabukuro, MD, MPH, MBA, Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA 30329 (tshimabukuro@cdc.gov).
Published Online: February 12, 2021. doi:10.1001/jama.2021.1967
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 the CDC. Mention of a product or company name is for identification purposes only and does not constitute endorsement by the CDC.
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.