About The Study: By taking advantage of a quasi-experiment and corroborating findings from Wales in a different population, this study provides evidence of the potential benefits of herpes zoster vaccination for dementia that is more likely to be causal than that of more commonly conducted associational studies.
Corresponding Author: To contact the corresponding author, Pascal Geldsetzer, ScD, MBChB, MPH, email pgeldsetzer@stanford.edu .
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(doi:10.1001/jama.2025.5013)
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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Media advisory: This study is being presented at the World Vaccine Congress.
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