Pfizer boss Ben Osborn answers the key vaccine questions

In this special edition of the podcast, Science Editor Tom Clarke talks to Ben Osborn, the UK boss of pharmaceuticals giant Pfizer, after the breakthrough news that the Pfizer/BioNTech vaccine has been judged safe for use in the UK.

Tom puts all the key questions to Ben, including how many doses can be delivered, whether the UK should have ordered more of its vaccine compared to the alternative vaccines, why the Pfizer is more expensive than others and why people can be confident to take the vaccine.