Covid-19 - The Tests with Prof Eddie Holmes (190)

Lockdowns are a rational first response to a pandemic but what happens while we wait for a vaccine or treatment to be developed ? Dr Karl joins Prof Holmes in Part 3 of this series looking at Covid-19 tests. What is the difference between them ? Professor of Virology, Eddie Holmes also explains how our immune system fights a virus and why this one has been so hard to beat - so far. 
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Note: episode recorded in late May 2020 using data available at the time