Markandeya
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AstraZeneca late Wednesday released revised data from its U.S. vaccine trial that showed a slightly lower efficacy rate than the company touted just days before following pressure from health officials.
The drugmaker announced that its vaccine is 76% effective at preventing symptomatic disease after including additional cases. But on Monday, the company said an interim analysis showed a 79% efficacy.
I don't know how much you really believe what you are saying, what Chinese equivalent? compare what?
Share daily vaccination data. Share the process and tracking and issue of certification to start with.