COVID-19 cripples sport, and what is 'herd immunity'? | 13 March 2020

On this edition of the Sky News Daily podcast, Jonathan Samuels discusses how being infected with the virus could protect society from future outbreaks.<br /><br />We're joined by microbiologist Dr Simon Clarke and our science correspondent Thomas Moore, plus author Dr Stuart Waiton and our sport correspondent Martha Kelner look at the impact on sporting events.