Prognosis

Pfizer, BioNTech Start Late-Stage Study of Lead Covid Shot

  • Companies set October as goal for seeking regulatory review
  • Moderna announced its final-state vaccine trial earlier Monday
U.S. Vaccine Put To Final Test
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Pfizer Inc. and BioNTech SE said they’ve begun a later-stage trial for their top coronavirus vaccine candidate and set a goal of submitting it for regulatory review as soon as October -- one of the most ambitious timelines to date.