Serum Neutralization of SARS-CoV-2 Omicron BA.1 and BA.2 after BNT162b2 Booster Vaccination

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Abstract

The SARS-CoV-2 Omicron variant BA.2 sublineage is rapidly replacing earlier Omicron lineages, suggesting BA.2 has increased vaccine evasion properties. We measured neutralization titers of authentic BA.1 and BA.2 isolates in serum samples from persons who received the BNT162b2 booster vaccine. All samples neutralized BA.1 and BA.2 at equal median values.

Original languageEnglish
JournalEmerging Infectious Diseases
Volume28
Issue number6
Pages (from-to)1274-1275
ISSN1080-6040
DOIs
Publication statusPublished - 1. Jun 2022

Keywords

  • BA.1
  • BA.2
  • COVID-19
  • Denmark
  • Omicron
  • SARS
  • SARS-CoV-2
  • coronavirus
  • coronavirus disease
  • respiratory infections
  • serum neutralization
  • severe acute respiratory syndrome coronavirus 2
  • viruses
  • zoonoses

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