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J&J Plans Huge Vaccine Study While Pfizer Cites Rapid Enrollment

  • Over 9,000 have joined Pfizer’s 30,000-person Covid study
  • J&J’s Phase 3 vaccine trial will include up to 60,000 people
Vaccinations At Moscow City' Chaika Clinic
Photographer: Bloomberg/Bloomberg
Updated on

As the race for a Covid-19 vaccine gets closer to the finish line, investors are parsing details of trial designs like never before as they handicap which is most likely to succeed.

Johnson & Johnson confirmed in an email Thursday that it plans to test its Covid-19 vaccine in as many as 60,000 people, twice the number of other big trials being conducted in the U.S. The company first posted the design for the trial on Aug. 10, and it is set to begin in late September.