Research and analysis
The Canna model
Assessing the impact of NHS Test and Trace on COVID-19 transmission: June 2020 to April 2021.
This was published under the 2019 to 2022 Johnson Conservative government
Documents
Ref: PHE publications gateway number GOV-8809
PDF, 1.98 MB, 47 pages
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Ref: PHE publications gateway number: GOV-8809
PDF, 782 KB, 6 pages
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MS Excel Spreadsheet, 723 KB
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Details
This report estimates the impact directly attributable to NHS Test and Trace by comparing to a counterfactual scenario which assumes that all individuals who tested with suspected coronavirus (COVID-19) symptoms would self-isolate without ever taking a test, together with their household contacts.
Updates to this page
Published 13 September 2021