Communications Biology (Sep 2022)

HLA alleles, disease severity, and age associate with T-cell responses following infection with SARS-CoV-2

  • Thorunn A. Olafsdottir,
  • Kristbjorg Bjarnadottir,
  • Gudmundur L. Norddahl,
  • Gisli H. Halldorsson,
  • Pall Melsted,
  • Kristbjorg Gunnarsdottir,
  • Erna Ivarsdottir,
  • Thorhildur Olafsdottir,
  • Asgeir O. Arnthorsson,
  • Fannar Theodors,
  • Elias Eythorsson,
  • Dadi Helgason,
  • Hannes P. Eggertsson,
  • Gisli Masson,
  • Sólveig Bjarnadottir,
  • Saedis Saevarsdottir,
  • Hrafnhildur L. Runolfsdottir,
  • Isleifur Olafsson,
  • Jona Saemundsdottir,
  • Martin I. Sigurdsson,
  • Ragnar F. Ingvarsson,
  • Runolfur Palsson,
  • Gudmundur Thorgeirsson,
  • Bjarni V. Halldorsson,
  • Hilma Holm,
  • Mar Kristjansson,
  • Patrick Sulem,
  • Unnur Thorsteinsdottir,
  • Ingileif Jonsdottir,
  • Daniel F. Gudbjartsson,
  • Kari Stefansson

DOI
https://doi.org/10.1038/s42003-022-03893-w
Journal volume & issue
Vol. 5, no. 1
pp. 1 – 14

Abstract

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A study of 768 convalescent SARS CoV-2-infected and 500 uninfected Icelanders reveals broad and stable T-cell responses 3-8 months from infection. HLA alleles, disease severity, and age contribute to the heterogeneity of cellular immunity.