![The UK may struggle to hit its covid-19 vaccine target – here's why 1 Covid-19 vaccination](https://images.newscientist.com/wp-content/uploads/2021/01/11111010/gettyimages-1230528841_web.jpg?width=300)
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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 …