A new test to determine whether people have ever been infected with coronavirus is 100% accurate, public health leaders have said.
Prime Minister Boris Johnson has previously called antibody testing a “game-changer” as it may reveal how many people have had Covid-19 without any symptoms and so may be immune.
Any reliable test may help speed up measures to ease the lockdown because people could go back to work confident they were not likely to get it again.
Public Health England (PHE) said last week scientific experts at its Porton Down facility had carried out an independent evaluation of a new antibody blood test developed by a Swiss pharmaceutical company.
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