Severe Acute Respiratory Syndrome Coronavirus 2 Anti-Spike Antibody Levels Following Second Dose of ChAdOx1 nCov-19 or BNT162b2 Vaccine in Residents of Long-Term Care Facilities in England (VIVALDI)

Oliver Stirrup, Maria Krutikov*, Gokhan Tut, Tom Palmer, David Bone, Rachel Bruton, Chris Fuller, Borscha Azmi, Tara Lancaster, Panagiota Sylla, Nayandeep Kaur, Eliska Spalkova, Christopher Bentley, Umayr Amin, Azar Jadir, Samuel Hulme, Rebecca Giddings, Hadjer Nacer-Laidi, Verity Baynton, Aidan Irwin-SingerAndrew Hayward, Paul Moss, Andrew Copas, Laura Shallcross

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

General population studies have shown strong humoral response following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination with subsequent waning of anti-spike antibody levels. Vaccine-induced immune responses are often attenuated in frail and older populations, but published data are scarce. We measured SARS-CoV-2 anti-spike antibody levels in long-Term care facility residents and staff following a second vaccination dose with Oxford-AstraZeneca or Pfizer-BioNTech. Vaccination elicited robust antibody responses in older residents, suggesting comparable levels of vaccine-induced immunity to that in the general population. Antibody levels are higher after Pfizer-BioNTech vaccination but fall more rapidly compared to Oxford-AstraZeneca recipients and are enhanced by prior infection in both groups.

Original languageEnglish
Pages (from-to)1877-1881
Number of pages5
JournalJournal of Infectious Diseases
Volume226
Issue number11
DOIs
Publication statusPublished - 1 Dec 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2022 The Author(s). Published by Oxford University Press on behalf of Infectious Diseases Society of America.

Keywords

  • COVID-19
  • antibodies
  • long-Term care facilities
  • vaccination
  • waning

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