Effectiveness of Monovalent mRNA Vaccines Against COVID-19–Associated Hospitalization Among Immunocompetent Adults During BA.1/BA.2 and BA.4/BA.5 Predominant Periods of SARS-CoV-2 Omicron Variant in the United States — IVY Network, 18 Stat
Diya Surie, MD1,*; Levi Bonnell, PhD1,*; Katherine Adams, MPH1; Manjusha Gaglani, MBBS2,3; Adit A. Ginde, MD4; David J. Douin, MD4;...