| UPDATED: 14:02, Wed, Dec 16, 2020
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Coronavirus vaccination is well underway in the UK, where health workers have delivered on the 800,000 Pfizer jabs they procured from the US. They have now administered hundreds of thousands of initial doses, with more to come when further batches arrive. But the next batch may come from a different pharmaceutical company, Moderna, which is just a step behind Pfizer in its development process.