This week, the test positivity rate for Covid continued to increase slightly and is now just above 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 4, 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