A third coronavirus vaccine will start being administered in the UK next month, joining the Pfizer and AstraZeneca jabs already in use, the culture secretary, Oliver Dowden, has confirmed. Britain has ordered 17m doses of the Moderna vaccine, which has a 94% efficacy rate in trials, which are expected to start arriving in April. Dowden also insisted the government was confident it would be able to meet its target of getting people over 50 vaccinated by 15 April, and all remaining adults by the end of July
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