By Adam Vaughan
A man in his 80s receives a covid-19 vaccination on 11 January at the International Centre for Life in Newcastle upon Tyne. The location is one of several mass vaccination centres in England to open to the public this weekIan Forsyth/Getty Images
The UK’s race to vaccinate 13.9 million people in high-priority groups against covid-19 by 15 February is a Herculean undertaking. “Unprecedented” may have become an overused word in the pandemic, but the size and speed of the vaccine roll-out warrants it, though it may still be months before many people receive a covid-19 vaccine.
The numbers …