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Quantifying pupil-to-pupil SARS-CoV-2 transmission and the impact of lateral flow testing in English secondary schools

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Leng, Trystan, Hill, Edward M., Holmes, Alexander, Southall, Emma, Thompson, Robin N., Tildesley, Michael J., Keeling, Matt J. and Dyson, Louise (2022) Quantifying pupil-to-pupil SARS-CoV-2 transmission and the impact of lateral flow testing in English secondary schools. Nature Communications, 13 (1). 1106. doi:10.1038/s41467-022-28731-9

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Official URL: http://dx.doi.org/10.1038/s41467-022-28731-9

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Abstract

A range of measures have been implemented to control within-school SARS-CoV-2 transmission in England, including the self-isolation of close contacts and twice weekly mass testing of secondary school pupils using lateral flow device tests (LFTs). Despite reducing transmission, isolating close contacts can lead to high levels of absences, negatively impacting pupils. To quantify pupil-to-pupil SARS-CoV-2 transmission and the impact of implemented control measures, we fit a stochastic individual-based model of secondary school infection to both swab testing data and secondary school absences data from England, and then simulate outbreaks from 31st August 2020 until 23rd May 2021. We find that the pupil-to-pupil reproduction number, Rschool, has remained below 1 on average across the study period, and that twice weekly mass testing using LFTs has helped to control pupil-to-pupil transmission. We also explore the potential benefits of alternative containment strategies, finding that a strategy of repeat testing of close contacts rather than isolation, alongside mass testing, substantially reduces absences with only a marginal increase in pupil-to-pupil transmission.

Item Type: Journal Article
Subjects: L Education > L Education (General)
R Medicine > RA Public aspects of medicine
Divisions: Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
Faculty of Science, Engineering and Medicine > Science > Mathematics
Library of Congress Subject Headings (LCSH): COVID-19 (Disease) -- Transmission -- Great Britain, School children -- Health and hygiene -- Great Britain, COVID-19 (Disease) -- Patients -- Treatment -- Great Britain, High schools -- Great Britain, Education, Secondary , COVID-19 (Disease) -- Patients -- Vaccination -- Great Britain
Journal or Publication Title: Nature Communications
Publisher: Nature Publishing Group
ISSN: 2041-1723
Official Date: 1 March 2022
Dates:
DateEvent
1 March 2022Published
4 February 2022Accepted
Volume: 13
Number: 1
Article Number: 1106
DOI: 10.1038/s41467-022-28731-9
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/S022244/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
EP/L015374/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
MR/V009761/1Medical Research Councilhttp://dx.doi.org/10.13039/501100000265
JUNIPER modelling consortium : MR/V038613/1Medical Research Councilhttp://dx.doi.org/10.13039/501100000265

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