Research and analysis

The Canna model

Assessing the impact of NHS Test and Trace on COVID-19 transmission: June 2020 to April 2021.

• From: UK Health Security Agency and Lord Bethell of Romford
• Published: 13 September 2021

This was published under the 2019 to 2022 Johnson Conservative government

Documents

The Canna model: assessing the impact of NHS Test and Trace on COVID-19 transmission

Ref: PHE publications gateway number GOV-8809

PDF, 1.98 MB, 47 pages

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The Canna model: explainer

Ref: PHE publications gateway number: GOV-8809

PDF, 782 KB, 6 pages

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The Canna model: data

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.

Published 13 September 2021