pexels.com In a statement, the UK government said the Medicines and Healthcare Products Regulatory Agency (MHRA) had authorized Oxford University/AstraZeneca's Covid-19 vaccine following "rigorous clinical trials and a thorough analysis of the data by experts at the MHRA." The The vaccine had met "strict standards of safety, quality and effectiveness," the statement added. "The NHS has a clear vaccine delivery plan and decades of experience in delivering large scale vaccination programmes. It has already vaccinated hundreds of thousands of patients with the Pfizer/BioNTech vaccine and its roll out will continue. Now the NHS will begin putting their extensive preparations into action to roll out the Oxford University/AstraZeneca vaccine."