Variants of Concern responsible for SARS-CoV-2 vaccine breakthrough infections from India

Emerging reports of SARS-CoV-2 breakthrough infections entail methodical genomic surveillance for determining efficacy of vaccines. This study elaborates genomic analysis of isolates from breakthrough infections following vaccination with AZD1222/Covishield and BBV152/Covaxin.Variants of concern B.1.617.2 and B.1.1.7 responsible for cases surge in April-May 2021 in Delhi, were the predominant lineages among breakthrough infections. This article is protected by copyright. All rights reserved.