Collection

REACT-1 studies: monthly results

Monthly results for the REACT-1 study of coronavirus transmission.

From:
UK Health Security Agency
Published
1 October 2020
Last updated
11 April 2022 — See all updates

All the monthly reports for REACT-1 studies to date can be found on this page.

REACT-1 is the largest population surveillance study being undertaken in England that examines the prevalence of the virus causing COVID-19 in the general population. It uses test results and feedback from over 150,000 participants each month.

REACT explainer video

REACT-1 studies

Updates to this page

Published 1 October 2020
Last updated 11 April 2022 + show all updates

  1. Added March 2022 final results.

  2. Added February 2022 final results.

  3. Added December 2021 final results.

  4. Added final results for November 2021.

  5. Added final results for October 2021.

  6. Added final results for October 2021.

  7. Added final results for September 2021.

  8. Added final results for June 2021.

  9. Added interim results for June 2021.

  10. Added final April results.

  11. Added final results for March 2021 study.

  12. Added a video explaining the REACT studies.

  13. Added REACT-1 study final results for February 2021.

  14. October 2020 interim results added.

  15. First published.

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