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COVID-19 Disease Severity In US Veterans Infected During Omicron And Delta Variant Predominant Periods – Nature.com
AbstractThe SARS-CoV-2 Omicron variant is thought to cause less severe disease among the general population, but disease severity among at-risk populations is unknown. We performed a retrospective analysis using a matched cohort of United States veterans to compare the disease severity of subjects infected during Omicron and Delta predominant periods...