Comparable neutralization of SARS-CoV-2 Delta AY.1 and Delta with individuals sera vaccinated with BBV152
Pragya D. Yadav, Rima R. Sahay, Gajanan Sapkal, Dimpal A. Nyayanit, Anita M. Shete, Gururaj Deshpande, Deepak Y. Patil, Nivedita Gupta, Sanjay Kumar, Priya Abraham, Samiran Panda, Balram Bhargava
Abstract
Sera of COVID-19 naive vaccinees, COVID-19 recovered cases with vaccination and breakthrough cases demonstrated 1.3-, 2.5- and 1.9-fold reduction in neutralization titers against Delta and 1.5-, 3.5- and 2.8-fold against Delta AY.1 compared with B.1, respectively. However, high-neutralization titers would still effectively protect against Delta, Delta AY.1 and B.1.617.3 variants.
Topics & Concepts
NeutralizationMedicineDeltaTiterVirologySevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Coronavirus disease 2019 (COVID-19)Vaccination2019-20 coronavirus outbreakImmunologyVirusInternal medicineInfectious disease (medical specialty)OutbreakEngineeringDiseaseAerospace engineeringSARS-CoV-2 and COVID-19 ResearchRetinal and Optic ConditionsAnimal Virus Infections Studies