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Immunology. 2022 Feb;165(2):250-259. doi: 10.1111/imm.13433. Epub 2021 Dec 06.

Whole blood-based measurement of SARS-CoV-2-specific T cells reveals asymptomatic infection and vaccine immunogenicity in healthy subjects and patients with solid-organ cancers.

Immunology

Martin J Scurr, Wioleta M Zelek, George Lippiatt, Michelle Somerville, Stephanie E A Burnell, Lorenzo Capitani, Kate Davies, Helen Lawton, Thomas Tozer, Tara Rees, Kerry Roberts, Mererid Evans, Amanda Jackson, Charlotte Young, Lucy Fairclough, Paddy Tighe, Mark Wills, Andrew D Westwell, B Paul Morgan, Awen Gallimore, Andrew Godkin

Affiliations

  1. Division of Infection & Immunity, School of Medicine, Cardiff University, Cardiff, UK.
  2. ImmunoServ Ltd, Cardiff, UK.
  3. School of Medicine, Systems Immunity University Research Institute, Cardiff University, Cardiff, UK.
  4. UK Dementia Research Institute Cardiff, Cardiff University, Cardiff, UK.
  5. Radyr Medical Centre, Cardiff, UK.
  6. Department of Gastroenterology & Hepatology, University Hospital of Wales, Cardiff, UK.
  7. Velindre Cancer Centre, Cardiff, UK.
  8. School of Life Sciences, University of Nottingham, Nottingham, UK.
  9. Department of Medicine, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK.
  10. School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK.

PMID: 34775604 PMCID: PMC8653009 DOI: 10.1111/imm.13433

Abstract

Accurate assessment of SARS-CoV-2 immunity is critical in evaluating vaccine efficacy and devising public health policies. Whilst the exact nature of effective immunity remains incompletely defined, SARS-CoV-2-specific T-cell responses are a critical feature that will likely form a key correlate of protection against COVID-19. Here, we developed and optimized a high-throughput whole blood-based assay to determine the T-cell response associated with prior SARS-CoV-2 infection and/or vaccination amongst 231 healthy donors and 68 cancer patients. Following overnight in vitro stimulation with SARS-CoV-2-specific peptides, blood plasma samples were analysed for T

© 2021 The Authors. Immunology published by John Wiley & Sons Ltd.

Keywords: COVID-19; SARS-CoV-2; T cells; antibodies; vaccine

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