Nature Communications (Sep 2022)

Effect of booster vaccination against Delta and Omicron SARS-CoV-2 variants in Iceland

  • Gudmundur L. Norddahl,
  • Pall Melsted,
  • Kristbjorg Gunnarsdottir,
  • Gisli H. Halldorsson,
  • Thorunn A. Olafsdottir,
  • Arnaldur Gylfason,
  • Mar Kristjansson,
  • Olafur T. Magnusson,
  • Patrick Sulem,
  • Daniel F. Gudbjartsson,
  • Unnur Thorsteinsdottir,
  • Ingileif Jonsdottir,
  • Kari Stefansson

DOI
https://doi.org/10.1038/s41467-022-33076-4
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 10

Abstract

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Iceland has used four different SARS-CoV-2 vaccines in various combinations. Here, the authors describe differences in the immune responses elicited by different initial/booster vaccine combinations, and then use population-level data to assess the effects of booster doses against Delta and Omicron infection.