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 tell the story. Figures released on 11 January showed that nearly 2.3 million people in the UK have had a first dose of one of the three vaccines approved by the UK regulator. On that same day, the UK government said it aims to be vaccinating at least 2 million people a week in England by the end of this month. To reach the mid-February UK target that prime minister Boris Johnson announced on 4 January, 300,000 doses need to be given a day, roughly the rate doses were administered weekly at the end of December and start of January.
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