Coronavirus tests: how they work and what they show

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Coronavirus tests: how they work and what they show

There’s a lot of talk about coronavirus testing at the moment, but some people are getting confused about what they actually are. How is the antibody test different to the PCR antigen test? What do they do? And why are they important? Josh Toussaint-Strauss speaks with Professor David Smith to answer some of these covid-19 questions

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