Coronavirus: 2 AstraZeneca vaccine doses could be up to 90% effective, UK real-world data suggests, World News
Coronavirus: 2 AstraZeneca vaccine doses could be up to 90% effective, UK real-world data suggests, World News,Two doses of the Oxford/AstraZeneca Covid-19 vaccine may be around 85 to 90 per cent effective against symptomatic disease, Public Health England (PHE) said on Thursday (May 20), while caut