Publication | Open Access

Durability of BNT162b2 vaccine against hospital and emergency department admissions due to the omicron and delta variants in a large health system in the USA: a test-negative case–control study

VaccinationVaccine SafetyVaccinologyBnt162b2 VaccineVaccine DevelopmentDelta VariantsVaccine SurveillanceVaccine TestingEmergency Department AdmissionsVaccine EfficacyPublic HealthMedicineEpidemiology