In South Africa, a 2-dose Oxford/AZ vaccine did not prevent mild to moderate COVID-19 (cases mainly B.1.351 variant)
Neal Irfan, Zain Chagla
Abstract
SOURCE CITATION: . N Engl J Med. 2021. [Epub ahead of print.] 33725432.
Topics & Concepts
MedicineCoronavirus disease 2019 (COVID-19)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)2019-20 coronavirus outbreakVirologyCoronavirus InfectionsInternal medicineFamily medicineOutbreakDiseaseInfectious disease (medical specialty)SARS-CoV-2 and COVID-19 ResearchVaccine Coverage and HesitancyCOVID-19 Clinical Research Studies