AstraZeneca says COVID-19 vaccine shows 76% efficacy in updated analysis of U.S. trial

AstraZeneca said its COVID-19 vaccine had a 76 per cent efficacy rate at preventing symptomatic illness in a new analysis of its major U.S. trial — slightly lower than the level announced earlier this week in a report that was criticized for using outdated information.

from CBC | Health News https://ift.tt/3lOp908