(Press-News.org) About The Study: In this nationwide cohort study, no increased risk of 29 adverse events was observed after vaccination with the updated COVID-19 mRNA vaccine containing the SARS-CoV-2 Omicron JN.1 lineage in approximately 1 million adults.
Corresponding Author: To contact the corresponding author, Niklas Worm Andersson, MD, PhD, email nian@ssi.dk.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(doi:10.1001/jamanetworkopen.2025.23557)
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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Safety of JN.1-updated mRNA COVID-19 vaccines
JAMA Network Open
2025-07-28
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Corresponding Author: To contact the corresponding author, Cazilia Loibl, PhD, CFP, email loibl.3@osu.edu.
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(doi:10.1001/jamanetworkopen.2025.23453)
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[Press-News.org] Safety of JN.1-updated mRNA COVID-19 vaccinesJAMA Network Open