This week, the test positivity rate for Covid remained just below the baseline threshold.

Weekly test positivity rate for all Covid tests mapped on to activity thresholds developed using the Mean Standard Deviation Method approach: England, Nov 20, 2022 to May 18, 2025.

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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..

Chart: Bob Hawkins Source: UKHSA Get the data Created with Datawrapper