Nickie
25-03-2021, 09:53
The vaccine-maker slightly downgrades its efficacy rate as it awaits US regulatory approval.
More... (https://www.bbc.co.uk/news/world-us-canada-56521166)
More... (https://www.bbc.co.uk/news/world-us-canada-56521166)
View Full Version : Covid vaccine: AstraZeneca amends US vaccine efficacy results