London: Britain is on track to make COVID-19 vaccines widely available by next spring after the shot developed by Oxford University and AstraZeneca was up to 90% effective in trials, the head of the university's Jenner Institute said on Monday.The encouraging late-stage trial results were the third published among the seven vaccine candidates Britain has ordered, following on from Pfizer/BioNTech and Moderna earlier this month.Britain has secured 100 million doses of the AstraZeneca shot, 40 million of the Pfizer vaccine and 5 million of Moderna's candidate."I think we are on track for the timeline ...
to start getting this vaccine rolled out from December," Adrian Hill, director of Oxford University's Jenner Institute that developed the.