U.S. health officials earlier in the week publicly rebuked the drugmaker for using “outdated information” when calculating that the vaccine was 79 per cent effective.
AstraZeneca says COVID-19 vaccine now 76% effective after updating U.S. trial data
U.S. health officials earlier in the week publicly rebuked the drugmaker for using “outdated information” when calculating that the vaccine was 79 per cent effective.