vaccine against Covid-19 being produced by AstraZeneca is likely to get regulatory approval from the UK’s independent regulator by the end of this year for a rollout to begin in early 2021, according to a UK media report.The Medicines and Healthcare Regulatory Agency (MHRA), which had been formally tasked by the UK government last month with the process of clearance after the jab emerged “safe and effective" against the novel coronavirus in human trials, is expected to authorise the vaccine by December 28 or 29 after the final data is provided on Monday, ‘The Daily Telegraph’ quoted senior government sources as indicating.“Authorisation by the MHRA will also give confidence to countries across the world.