Accepted for Publication: September 12, 2021.
Published Online: November 1, 2021. doi:10.1001/jamainternmed.2021.6352
Corresponding Author: Aneel A. Ashrani, MD, MS, Division of Hematology, Department of Internal Medicine, Mayo Clinic, 200 First St SW, Rochester, MN 55905 (ashrani.aneel@mayo.edu).
Author Contributions: Dr Ashrani and Mr Crusan 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: Ashrani, Petterson, Bailey, Heit.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Ashrani, Crusan, Petterson.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Crusan, Petterson, Bailey.
Obtained funding: Ashrani, Heit.
Administrative, technical, or material support: Ashrani, Heit.
Supervision: Ashrani, Petterson, Bailey, Heit.
Conflict of Interest Disclosures: Dr Ashrani reported receiving grants from the National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health (NIH) during the conduct of the study. Mr Crusan reported receiving grants from the NIH during the conduct of the study. Dr Heit reported receiving grants from the NHLBI, NIH during the conduct of the study. No other disclosures were reported.
Funding/Support: This study was supported in part by grant R01HL66216 from the NHLBI, NIH (Drs Ashrani and Bailey), the Rochester Epidemiology Project (grant R01AG034676 from the National Institute on Aging, NIH), and the Mayo Foundation.
Role of the Funder/Sponsor: The funders 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 content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.
1.Centers for Disease Control and Prevention. Cases of cerebral venous sinus thrombosis with thrombocytopenia after receipt of the Johnson & Johnson COVID-19 vaccine New release. April 13, 2021. Accessed April 21, 2021.
https://emergency.cdc.gov/han/2021/han00442.asp 4.Shimabukuro
T . Update: thrombosis with thrombocytopenia syndrome (TTS) following COVID-19 vaccination. Paper presented at: Advisory Committee on Immunization Practices; May 12, 2021.