Professor Stephen Powis has said the rollout of the Oxford-AstraZeneca vaccine is a "gamechanger" during a "very concerning time" in the pandemic. The National Medical Director of NHS England added that he would "like to see two million vaccines a week" believing the NHS can cope with this as long as the manufacturers can provide the doses. Report by Thomasl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn