Public Health England approves Roche test for coronavirus antibodies

The accurate Covid-19-specific test can be quickly processed using existing equipment

Public Health England has approved an antibody test, made by the giant pharmaceutical company Roche, which may now be used to determine how much of the population has been infected by Covid-19.

Antibody testing could be hugely useful as the country emerges from lockdown as the presence of antibodies to the virus in a person’s blood proves they have had it. However, whether the person is immune and if so, how long that immunity lasts, are still very open questions.

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