Associations of COVID-19 symptoms with omicron subvariants BA.2 and BA.5, host status, and clinical outcomes in Japan: a registry-based observational study

https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(23)00271-2/fulltext?dgcid=hubspot_email_covidalerts&utm_campaign=covidalerts&utm_medium=email&_hsmi=268172138&_hsenc=p2ANqtz--GZ8e4yQkEp-aXxo9BZaFPDSx5REZu4ecMdmt2UqlOO33KkOkP0vE9f3PsSQh_LzZ2FZ-TCFA0ZVMKBvddOE8oRCJ22w&utm_content=268146206&utm_source=hs_email