The test positivity rate for Covid

Weekly test positivity rate for all Covid tests mapped on to activity thresholds developed using the Mean Standard Deviation Method approach: England, 20 Nov 2022 to 10 Aug 2025.

(Please use a modern browser to see the interactive version of this visualization)

The experimental thresholds are calculated using historic data and this means that the thresholds are relative to prior year trends and, consequently, may be updated..

Source: Bob Hawkins / UKHSA