Seroprevalence of SARS-CoV-2 antibodies in children of United Kingdom healthcare workers: A prospective multicentre cohort study protocol

Michael Corr, Sharon Christie, Chris Watson, Julieann Maney, Derek Fairley, Shamez N. Ladhani, Mark David Lyttle, Lisa McFetridge, Hannah Mitchell, Michael David Shields, Claire McGinn, James McKenna, Peter Mallett, Kathryn Ferris, Gala Rowe-Setz, Rebecca Moore, Steven Foster, Jennifer Evans, Tom Waterfield*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
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Abstract

Background: A novel coronavirus SARS-CoV-2 has been responsible for a worldwide pandemic. Children typically have very mild, or no, symptoms of infection. This makes estimations of seroprevalence in children difficult. Research is therefore required to determine the seroprevalence of SARS-CoV-2 antibodies in children. The primary objective of this study is to report the seroprevalence of SARS-CoV-2 IgM and/or IgG antibodies in healthy children at baseline, 2 months and 6 months. This is the only longitudinal UK study of seroprevalence in an exclusively paediatric population. Determining the changing seroprevalence is of vital public health importance and can help inform decisions around the lifting of paediatric specific social distancing measures such as school closures and the cancellation of routine paediatric hospital services. 

Methods and analysis: 1000 healthy children of healthcare workers aged between 2 and 15 years will be recruited from five UK sites (Belfast, Cardiff, Glasgow, London and Manchester). The children will undergo phlebotomy at baseline, 2 months and 6 months to measure IgM and/or IgG positivity to SARS-CoV-2. A sample size of 675 patients is required to detect a 5% change in seroprevalence at each time point assuming an alpha of 0.05 and a beta of 0.2. Adjusted probabilities for the presence of IgG and/or IgM antibodies and of SARS-CoV-2 infection will be reported using logistic regression models where appropriate. 

Ethics and dissemination: Ethical approval was obtained from the London-Chelsea Research Ethics Committee (REC Reference-20/HRA/1731) and the Belfast Health Social Care Trust Research Governance (Reference 19147TW-SW). Results of this study will be made available as preprints and submitted for publication in peer-reviewed journals.

Original languageEnglish
Article numbere041661
JournalBMJ Open
Volume10
Issue number11
DOIs
Publication statusPublished - 19 Nov 2020

Bibliographical note

Funding Information: This work was supported by Health and Social Care, Research and Development Division, Public Health Agency Ref: COM/5596/20. This funding source had no role in the design of this study and will not have any role during its execution, analyses, interpretation of the data or decision to submit result.

JMK holds share options in Hibergene Diagnostics Ltd, Sandyford, Dublin, Republic of Ireland. DF is a non-executive director, advisory board member and shareholder in Hibergene Diagnostics Ltd, Sandyford, Dublin, Republic of Ireland.

Open Access: http://creativecommons.org/licenses/by-nc/4.0/
This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

Publisher Copyright: © Author(s) (or their employer(s)) 2020. Published by BMJ.

Citation: Corr M, Christie S, Watson C, et al. Seroprevalence of SARS-CoV-2 antibodies in children of United Kingdom healthcare workers: a prospective multicentre cohort study protocol. BMJ Open 2020;10:e041661.

DOI: 10.1136/bmjopen-2020-041661

Keywords

  • infectious diseases
  • paediatric infectious disease & immunisation
  • paediatrics

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