The Test and Trace system in England has had its worst performance so far, with the latest figures showing just 15% of test results returned within 24 hours and less than 60% of contacts traced of those people who tested positive with coronavirus.
Boris Johnson said he shared “people’s frustrations”. He had promised to deliver a “world-beating” test and trace system and had pledged that all test results would be available within 24 hours by the end of June.
The government has faced criticism for contracting private companies with little experience of community healthcare provision to run the test and trace operation.
Many scientists believe that the pandemic can only be controlled with an effective test and trace system which allows those carrying the virus to be quickly identified and isolated.
Sophie Raworth presents BBC News reporting by health editor Hugh Pym.
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