What The Study Did: National claims data were used to assess the association between receiving the Janssen vaccine and COVID-19–related infections and hospitalizations before and during the Delta variant surge.
Authors: Sebastian Schneeweiss, M.D., Sc.D., of Brigham and Women’s Hospital and Harvard Medical School in Boston, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2022.2959)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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