Only the US, Brazil, India and Mexico have recorded more coronavirus deaths than the UK.
It is key to deploy the vaccine "as fast" as possible, England's deputy chief medical officer says.
After the UK's approval of the Pfizer/BioNTech vaccine, are other nations under pressure to follow suit?
England's deputy chief medical officer was asked questions from members of the public on the BBC.
Prof Jonathan Van-Tam used a football analogy to explain the UK's Covid-19 timeline.