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The Lancet4d
Real-world use of nirmatrelvir–ritonavir in outpatients with COVID-19 during the era of omicron variants including BA.4 and BA.5 in Colorado, USA: a retrospective cohort ...
Omicron lineage variants of SARS-CoV-2 that show high transmissibility and immune evasion, yet are associated with decreased disease severity, have supplanted previous variants. 4 Although spike ...