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Coronavirus: Should the UK be testing more people?
Asian countries have followed a "test, contact, trace and quarantine" policy and have seen a reduction in the spread of Covid-19. Professor Anthony Costello, from University College London, formerly a director at the World Health Organization, explains his concern at the UK not following the same policy of testing and tracing cases.
Photo: London shoppers on 14 March, 2020 Credit: Getty Images
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