About The Study: This study found that vaccination against SARS-CoV-2 prior to and during pregnancy, before COVID-19 diagnosis, was associated with a lower risk of severe maternal disease and preterm birth regardless of variant time period.
Corresponding Author: To contact the corresponding author, Deborah Money, MD, email deborah.money@ubc.ca .
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(doi:10.1001/jama.2025.21001)
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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