A Cluster Randomised Trial of the Impact of a Policy of Daily Testing For
medRxiv preprint doi: https://doi.org/10.1101/2021.07.23.21260992; this version posted July 25, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license . 1 A cluster randomised trial of the impact of a policy of daily testing for 2 contacts of COVID-19 cases on attendance and COVID-19 3 transmission in English secondary schools and colleges 4 5 Authors 6 Bernadette C Young1*, David W Eyre2,3,4*, Saroj Kendrick5, Chris White5, Sylvester Smith5, 7 George Beveridge5, Toby Nonnemacher5, Fegor Ichofu5, Joseph Hillier5, Ian Diamond6, Emma 8 Rourke6, Fiona Dawe6, Ieuan Day6, Lisa Davies6, Paul Staite6, Andrea Lacey6, James McCrae6, 9 Ffion Jones6, Joseph Kelly6, Urszula Bankiewicz6, Sarah Tunkel5, Richard Ovens7, David 10 Chapman7, Peter Marks5, Nick Hicks5,8,9, Tom Fowler5,10, Susan Hopkins8, Lucy Yardley11, Tim 11 EA Peto1,2,3 12 13 14 Affiliations 15 1. Nuffield Department of Medicine, University of Oxford, Oxford, UK 16 2. NIHR Oxford Biomedical Research Centre, University of Oxford, Oxford, United 17 Kingdom 18 3. NIHR Health Protection Research Unit in in Healthcare Associated Infections and 19 Antimicrobial Resistance, University of Oxford, Oxford, United Kingdom 20 4. Big Data Institute, Nuffield Department of Population Health, University of Oxford, 21 Oxford, United Kingdom 22 5. Department of Health and Social Care, UK 23 6. Office for National Statistics, UK 24 7. Deloitte MCS limited, UK 25 8.
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