AUTHOR=Boehme Amelia , Harvey Raymond A. , Madsen Ann , Rubens Lexie , Toyip Astra , Batech Michael , Ricci Deborah , Nyaku Mawuli TITLE=An observational post-authorization study to assess the effectiveness of a single dose Ad26.COV2.S for the prevention of COVID-19 using real-world data JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1501919 DOI=10.3389/fpubh.2024.1501919 ISSN=2296-2565