Publication | Open Access

Effectiveness of bivalent mRNA vaccines against medically attended symptomatic SARS-CoV-2 infection and COVID-19-related hospital admission among SARS-CoV-2-naive and previously infected individuals: a retrospective cohort study

VaccinationVaccine SafetyCovid-19-related Hospital AdmissionRetrospective Cohort StudyVaccine DevelopmentImmunologyVaccine EfficacyBivalent Mrna VaccinesMedicineEpidemiologyCovid-19