Severity of disease associated with Omicron variant as compared with Delta variant in hospitalized patients with suspected or confirmed SARS-CoV-2 infection

This report describes the demographics, clinical severity and outcomes for patients infected during the Omicron variant period as compared to the Delta period. 

The specific objectives of this analysis were to: 

1. Describe the clinical characteristics and key outcomes for hospitalized patients with COVID-19 during the Omicron period compared with the Delta period. 
2. Assess the difference in severity between hospitalized patients during the Omicron period compared with the Delta period.