UK – REACT-1 study of coronavirus transmission: June 2021 interim results

Results of real-time assessment of community transmission of coronavirus (COVID-19) during June 2021.

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…