Morbidity and Mortality of Hospital-Onset SARS-CoV-2 Infections Due to Omicron Versus Prior Variants : A Propensity-Matched Analysis.

Michael KlompasCaroline S McKennaSanjat KanjilalTheodore R PakChanu RheeTom Chen
Published in: Annals of internal medicine (2024)
Harvard Medical School Department of Population Medicine.