About The Study: In this test-negative case-control study, 2024-2025 COVID-19 vaccination was associated with reduced likelihood of medically attended COVID-19–associated outcomes among immunocompetent and immunocompromised adults, highlighting the importance of adults receiving recommended COVID-19 vaccinations.
Corresponding Author: To contact the corresponding author, Ryan E. Wiegand, PhD, email rwiegand@cdc.gov.
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(doi:10.1001/jamainternmed.2026.1936)
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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Journal
JAMA Internal Medicine