This week, the test positivity rate for Covid increased slightly but remains 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 Apr 27, 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 HawkinsSource: UKHSAGet the dataCreated with Datawrapper