Publication | Open Access

Impact of previous exposure to SARS-CoV-2 and of S-Trimer (SCB-2019) COVID-19 vaccination on the risk of reinfection: a randomised, double-blinded, placebo-controlled, phase 2 and 3 trial

VaccinationVaccine SafetyPrevious ExposureCovid-19 PandemicVaccine EfficacyCovid-19 EpidemiologyCovid-19 VaccinationPublic HealthMedicineEpidemiologyCovid-19