Coronavirus tests: what they are and how they can help

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 Subscribe to The Guardian on YouTube ► https://ift.tt/16bR3Lu Support the Guardian ► https://ift.tt/2VEEwKb Today in Focus podcast ► https://ift.tt/2D74a4z Sign up for the Guardian documentaries newsletter ► https://ift.tt/2feoDdN The Guardian ► https://ift.tt/1AFLGzy The Guardian YouTube network: Guardian News ► https://ift.tt/1J9JUwL Owen Jones talks ► http://bit.ly/subsowenjones Guardian Football ► https://ift.tt/1yECE17 Guardian Sport ► http://bit.ly/GDNsport Guardian Culture ► https://ift.tt/16bR6H2