Acknowledgments
We thank the trial participants, caregivers, investigators, health care providers, and research staff who contributed to the trial. The authors also thank Labcorp (Indianapolis, IN, USA) for assessment of participant quantitative viral loads, Infinity Biologix (Rutgers, NJ, USA) and Vault Health (Moorhead, MN, USA) for participant saliva testing, PPD (Richmond, VA, USA) for serum IgG sample testing performed and Monogram Biosciences (South San Francisco, CA, USA) for nAb testing and sequencing performed for this study. The authors acknowledge Rebecca A. Bachmann, PhD, of AstraZeneca, for facilitating author discussion and providing strategic advice and critical review of the manuscript. Medical writing support was provided by Craig O’Hare, PhD, of Ashfield MedComms, an Inizio company, which was in accordance with Good Publication Practice (GPP) 2022 guidelines (