Publication | Open Access

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 study

Retrospective Cohort StudyCovid-19 PandemicReal-world UseAntiviral TherapyCovid-19 EpidemiologyInfection ControlOmicron VariantsMedicinePublic HealthEpidemiologyCovid-19