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SARS-CoV-2 Omicron variant emerged under immune selection

  • Chee Wah Tan*
  • , Wan Ni Chia
  • , Feng Zhu
  • , Barnaby E. Young
  • , Napaporn Chantasrisawad
  • , Shi Hsia Hwa
  • , Aileen Ying Yan Yeoh
  • , Beng Lee Lim
  • , Wee Chee Yap
  • , Surinder Kaur M.S. Pada
  • , Seow Yen Tan
  • , Watsamon Jantarabenjakul
  • , Lim Kai Toh
  • , Shiwei Chen
  • , Jinyan Zhang
  • , Yun Yan Mah
  • , Vivian Chih Wei Chen
  • , Mark I.C. Chen
  • , Supaporn Wacharapluesadee
  • , Alex Sigal
  • Opass Putcharoen, David Chien Lye, Lin Fa Wang*
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

The SARS-CoV-2 Omicron variant (B.1.1.529 lineage) escapes antibodies that neutralize the ancestral virus. We tested human serum panels from participants with differing infection and vaccination status using a multiplex surrogate virus neutralization assay targeting 20 sarbecoviruses. We found that bat and pangolin sarbecoviruses showed significantly less neutralization escape than the Omicron variant. We propose that SARS-CoV-2 variants have emerged under immune selection pressure and are evolving differently from animal sarbecoviruses.

Original languageEnglish
Pages (from-to)1756-1761
Number of pages6
JournalNature Microbiology
Volume7
Issue number11
DOIs
StatePublished - Nov 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer Nature Limited.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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