Pfizer Inc. said it plans to ask U.S. health regulators on Friday to permit use of its Covid-19 vaccine, a milepost in months of frantic efforts to find a medicine that could beat back a rampaging pandemic.
Once the company files, it would be up to the U.S. Food and Drug Administration to decide whether the two-shot vaccine works safely enough to roll out to millions of people.
It…
This post first appeared on wsj.com
