Early report on the severity of <scp>COVID</scp>‐19 in hematologic patients infected with the <scp>SARS‐CoV2</scp> omicron variant

Abstract

In this study, symptoms of COVID-19 tended to be milder than described for previous SARS-CoV2 variants. However, the extent to which attenuated severity of omicron-variant SARS-CoV2 infection is caused by altered viral pathogenicity or pre-existing host immunity cannot be inferred from our data and should be investigated in larger prospective studies.