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Uptake, effectiveness and safety of COVID-19 vaccines in children and young people in Scotland : protocol for early pandemic evaluation and enhanced surveillance of COVID-19 (EAVE II)

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Date
25/12/2021
Author
Adeloye, Davies
Katikireddi, Srinivasa Vittal
Woolford, Lana
Simpson, Colin R
Shah, Syed Ahmar
Agrawal, Utkarsh
Richie, Lewis D
Swann, Olivia V
Stock, Sarah J
Robertson, Chris
Sheikh, Aziz
Rudan, Igor
Keywords
COVID-19
RA0421 Public health. Hygiene. Preventive Medicine
RJ Pediatrics
3rd-DAS
AC
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Abstract
Background The dynamics of acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission and severity of disease among children and young people (CYP) across different settings are of considerable clinical, public health and societal interest. Severe COVID-19 cases, requiring hospitalisations, and deaths have been reported in some CYP suggesting a need to extend vaccinations to these age groups. As part of the ongoing Early Pandemic Evaluation and Enhanced Surveillance of COVID-19 (EAVE II) study, we aim to investigate the uptake, effectiveness and safety of COVID-19 vaccines in children and young people (CYP) aged 0 to 17 years in Scotland. Specifically, we will estimate: (i) uptake of vaccines against COVID-19, (ii) vaccine effectiveness (VE) against the outcomes of symptomatic SARS-CoV-2 infection, hospitalisation, intensive care unit (ICU) admissions, and death; (iii) VE for first/second dose timing among different age groups and risk groups; and (iv) the safety of vaccines. Methods and analysis We will conduct an open prospective cohort study classifying exposure as time-varying. We will compare outcomes amongst first dose vaccinated and second dose vaccinated CYP to those not yet vaccinated. A Test Negative Design (TND) case control study will be nested within this national cohort to investigate VE against symptomatic infection. The primary outcomes will be (i) uptake of vaccines against COVID-19, (ii) time to COVID-19 infection, hospitalisation, ICU admissions or death, and (iii) adverse events related to vaccines. Vaccination status (unvaccinated, one dose and two doses) will be defined as a time-varying exposure. Data from multiple sources will be linked using a unique identifier. We will conduct descriptive analyses to explore trends in vaccine uptake, and association between different exposure variables and vaccine uptake will be determined using multivariable logistic regression models. VE will be assessed from time-dependent Cox models or Poisson regression models, adjusted for relevant confounders, including age, sex, socioeconomic status, and comorbidities. We will employ self-controlled study designs to determine the risk of adverse events following COVID-19 vaccination. Ethics and dissemination Ethics approval was obtained from the National Research Ethics Committee, South East Scotland 02. We will present findings of this study at international conferences, in peer-reviewed journals and to policy-makers.
Citation
Adeloye , D , Katikireddi , S V , Woolford , L , Simpson , C R , Shah , S A , Agrawal , U , Richie , L D , Swann , O V , Stock , S J , Robertson , C , Sheikh , A & Rudan , I 2021 , ' Uptake, effectiveness and safety of COVID-19 vaccines in children and young people in Scotland : protocol for early pandemic evaluation and enhanced surveillance of COVID-19 (EAVE II) ' , Journal of Global Health , vol. 11 , 05026 . https://doi.org/10.7189/jogh.11.05026
Publication
Journal of Global Health
Status
Peer reviewed
DOI
https://doi.org/10.7189/jogh.11.05026
ISSN
2047-2978
Type
Journal article
Rights
Copyright © 2021 The Author(s) JoGH © 2021 ISoGH. https://creativecommons.org/licenses/by/4.0/legalcode.
Description
Funding: This research is part of the Data and Connectivity National Core Study, led by Health Data Research UK in partnership with the Office for National Statistics and funded by UK Research and Innovation (grant ref MC_PC_20058). SVK acknowledges funding from a NRS Senior Clinical Fellowship (SCAF/15/02), the Medical Research Council (MC_UU_00022/2) and the Scottish Government Chief Scientist Office (SPHSU17).
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  • University of St Andrews Research
URL
https://jogh.org/2021/jogh-11-05026
URI
http://hdl.handle.net/10023/24698

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