Categories Selected Articles Clinical Characteristics and Outcomes Among Adults Hospitalized with Laboratory-Confirmed SARS-CoV-2 Infection During Periods of B.1.617.2 (Delta) and B.1.1.529 (Omicron) Variant Predominance ā One Hospital, California, July 15āSeptember 23, 2021, – COVID-19 Post author By Mike Nova Post date February 7, 2022 Clinical Characteristics and Outcomes Among Adults Hospitalized with Laboratory-Confirmed SARS-CoV-2 Infection During Periods of B.1.617.2 (Delta) and B.1.1.529 (Omicron) Variant Predominance ā One Hospital, California, July 15āSeptember 23, 2021,Ā Ā COVID-19