Independent report

REACT-1 study of coronavirus transmission: October 2021 interim results

Interim results of real-time assessment of community transmission of coronavirus (COVID-19) during October 2021.

From:
UK Health Security Agency
Published
4 November 2021
Last updated
12 November 2021 — See all updates

Documents

REACT-1 study of coronavirus transmission: October 2021 interim results

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Details

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.

The study focuses on national, regional and local areas, as well as:

  • age
  • sex
  • ethnicity
  • socio-economic factors
  • employment type
  • contact with known cases
  • symptoms
  • other factors

The findings will provide the government with a better understanding of the virus’s transmission and the risks associated with different population subgroups throughout England. This will inform government policies to protect health and save lives.

Read the pre-print version of this report.

Read the press notice accompanying these findings.

Updates to this page

Published 4 November 2021
Last updated 12 November 2021 + show all updates

  1. Added link to press release.

  2. First published.

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