The head of the service in England – BBC News – has stressed that the test and tracking system is “not a failure”

The Head of England test and trace system coronavirus has denied failure, after harsh criticism. As schools prepare to reopen and parents return to work, scientists warn that if testing and tracing do not improve significantly, there may be a second wave of the virus until December, which is worse than the first. Sophie Raworth has reported on BBC News health editor Ten Hugh Pym. Subscribe HERE .

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