Prognosis
AstraZeneca Starts U.S. Final-Stage Trial of Covid-19 Vaccine
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AstraZeneca Plc has begun a large-scale human trial of its coronavirus vaccine in the U.S., the company said in a statement, with plans to enroll as many as 30,000 adults to test the shot.
The AstraZeneca shot, invented by researchers at the University of Oxford, is one of the farthest along of numerous Covid-19 vaccines in development. In addition to the U.S. trial, a final-stage test of the inoculation is underway in the U.K. and could yield preliminary results as soon as next month. Other companies that have Covid-19 vaccines in phase 3 trials include Moderna Inc. and Pfizer Inc.