Neutralization of Beta and Delta variant with sera of COVID-19 recovered cases and vaccinees of inactivated COVID-19 vaccine BBV152/Covaxin

J Travel Med. 2021 Oct 11;28(7):taab104. doi: 10.1093/jtm/taab104.


SARS-CoV-2 variant of concern mainly Delta and Beta is global public health concern due to its impact on existing vaccines. Here, we assessed the neutralization of sera from COVID-19 recovered cases and BBV152 vaccinees against Beta and Delta variants. BBV152 vaccine found to confer significant protection against both the variants.

Keywords: Beta; Delta; SARS-CoV-2; neutralization; vaccine efficacy.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antibodies, Neutralizing
  • COVID-19 Vaccines*
  • COVID-19*
  • Humans
  • SARS-CoV-2


  • Antibodies, Neutralizing
  • COVID-19 Vaccines