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Antibody correlates of protection from SARS-CoV-2 reinfection prior to vaccination : a nested case-control within the SIREN study

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Date
01/11/2022
Author
the SIREN Study Group and the Crick COVID Immunity Pipeline Consortium
Atti, Ana
Insalata, Ferdinando
Carr, Edward J
Otter, Ashley D
Castillo-Olivares, Javier
Wu, Mary
Harvey, Ruth
Howell, Michael
Chan, Andrew
Lyall, Jonathan
Temperton, Nigel
Cantoni, Diego
da Costa, Kelly
Nadesalingam, Angalee
Taylor-Kerr, Andrew
Hettiarachchi, Nipunadi
Tranquillini, Caio
Hewson, Jacqueline
Cole, Michelle J
Foulkes, Sarah
Munro, Katie
Monk, Edward J M
Milligan, Iain D
Linley, Ezra
Chand, Meera A
Brown, Colin S
Islam, Jasmin
Semper, Amanda
Charlett, Andre
Heeney, Jonathan L
Beale, Rupert
Zambon, Maria
Hopkins, Susan
Brooks, Tim
Hall, Victoria
Keywords
SARS-CoV-2
Neutralising antibodies
SARS-CoV-2 serology
Reinfection
Immunity
QR180 Immunology
3rd-DAS
SDG 3 - Good Health and Well-being
MCC
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Abstract
Objectives To investigate serological differences between SARS-CoV-2 reinfection cases and contemporary controls, to identify antibody correlates of protection against reinfection. Methods We performed a case-control study, comparing reinfection cases with singly infected individuals pre-vaccination, matched by gender, age, region and timing of first infection. Serum samples were tested for anti-SARS-CoV-2 spike (anti-S), anti-SARS-CoV-2 nucleocapsid (anti-N), live virus microneutralisation (LV-N) and pseudovirus microneutralisation (PV-N). Results were analysed using fixed effect linear regression and fitted into conditional logistic regression models. Results We identified 23 cases and 92 controls. First infections occurred before November 2020; reinfections occurred before February 2021, pre-vaccination. Anti-S levels, LV-N and PV-N titres were significantly lower among cases; no difference was found for anti-N levels. Increasing anti-S levels were associated with reduced risk of reinfection (OR 0·63, CI 0·47-0·85), but no association for anti-N levels (OR 0·88, CI 0·73-1·05). Titres >40 were correlated with protection against reinfection for LV-N Wuhan (OR 0·02, CI 0·001–0·31) and LV-N Alpha (OR 0·07, CI 0·009–0·62). For PV-N, titres >100 were associated with protection against Wuhan (OR 0·14, CI 0·03–0·64) and Alpha (0·06, CI 0·008–0·40). Conclusions Before vaccination, protection against SARS-CoV-2 reinfection was directly correlated with anti-S levels, PV-N and LV-N titres, but not with anti-N levels. Detectable LV-N titres were sufficient for protection, whilst PV-N titres >100 were required for a protective effect. Trial registration number ISRCTN11041050
Citation
the SIREN Study Group and the Crick COVID Immunity Pipeline Consortium , Atti , A , Insalata , F , Carr , E J , Otter , A D , Castillo-Olivares , J , Wu , M , Harvey , R , Howell , M , Chan , A , Lyall , J , Temperton , N , Cantoni , D , da Costa , K , Nadesalingam , A , Taylor-Kerr , A , Hettiarachchi , N , Tranquillini , C , Hewson , J , Cole , M J , Foulkes , S , Munro , K , Monk , E J M , Milligan , I D , Linley , E , Chand , M A , Brown , C S , Islam , J , Semper , A , Charlett , A , Heeney , J L , Beale , R , Zambon , M , Hopkins , S , Brooks , T & Hall , V 2022 , ' Antibody correlates of protection from SARS-CoV-2 reinfection prior to vaccination : a nested case-control within the SIREN study ' , Journal of Infection , vol. 85 , no. 5 , pp. 545-556 . https://doi.org/10.1016/j.jinf.2022.09.004
Publication
Journal of Infection
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.jinf.2022.09.004
ISSN
0163-4453
Type
Journal article
Rights
Crown Copyright © 2022 Published by Elsevier Ltd on behalf of The British Infection Association. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Description
Funding: This study was supported by the U.K. Health Security Agency, the U.K. Department of Health and Social Care (with contributions from the governments in Northern Ireland, Wales, and Scotland), the National Institute for Health Research, and grant from the UK Medical Research Council (grant number MR/W02067X/1). This work was supported by the Francis Crick Institute which receives its core funding from Cancer Research UK (CC2087, CC1283), the UK Medical Research Council (CC2087, CC1283), and the Wellcome Trust (CC2087, CC1283).
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/26212

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