Estimates of SARS-CoV-2 Omicron Variant Severity in Ontario, Canada.

Ulloa, Ana Cecilia; Buchan, Sarah A; Daneman, Nick; Brown, Kevin A · JAMA · 2022

retrospective_cohort · Level III

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Abstract

This study examines hospitalizations and deaths associated with the SARS-CoV-2 Omicron variant compared with matched patients infected with the Delta variant.

Medical subject headings