Variants of concern and clinical outcomes in critically ill COVID-19 patientsInvestigators TD, Kurtz P, Bastos LdSL, Ranzani OT, Soares M, Zampieri FG, Hamacher S, Salluh JI, Bozza FAJun 1, 2023Ranzani OTGroup LeaderI am a scientist, born in 🇧🇷.