Nature Communications (Sep 2022)

Increased household transmission and immune escape of the SARS-CoV-2 Omicron compared to Delta variants

  • Neda Jalali,
  • Hilde K. Brustad,
  • Arnoldo Frigessi,
  • Emily A. MacDonald,
  • Hinta Meijerink,
  • Siri L. Feruglio,
  • Karin M. Nygård,
  • Gunnar Rø,
  • Elisabeth H. Madslien,
  • Birgitte Freiesleben de Blasio

DOI
https://doi.org/10.1038/s41467-022-33233-9
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 5

Abstract

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In this study the authors investigate household transmission of SARS-CoV-2 in Norway. They find that the secondary attack rate was higher for Omicron than Delta, but that among three-dose vaccinated contacts the secondary attack rate was lower for both variants compared to contacts with two doses.