COVID-19 disease severity in US Veterans infected during Omicron and Delta variant predominant periods - Nature.com

Infection with the SARS-CoV-2 Omicron variant appears to cause milder disease in the general population than infection with Delta. Here the authors use data from the US Department of Veterans Affairs and demonstrate that this also applies to infection in an a…

Patient characteristics Our matched analysis dataset consisted of 22,841 veterans infected during the Omicron period and 22,841 matched veterans infected during the Delta period. (Fig. 1) The median… [+6910 chars]

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