Indian Journal of Medical Research
Neutralizing antibody responses to SARS-CoV-2 Omicron variants: Post six months following two-dose & three-dose vaccination of ChAdOx1 nCoV-19 or BBV152
Background & objectives:
The Omicron sub-lineages are known to have higher infectivity, immune escape and lower virulence. During December 2022 – January 2023 and March – April 2023, India witnessed increased SARS-CoV-2 infections, mostly due to ne…