Pfizer Says Covid-19 Vaccine Is 90% Effective, Although Trials Are Ongoing

pfizer says covid 19 vaccine is 90 effective although trials are ongoing

Sumary of Pfizer Says Covid-19 Vaccine Is 90% Effective, Although Trials Are Ongoing:

  • NurPhoto via Getty Images Key Facts The positive results mean the companies are likely on track to meet their mid-November goal of filing for emergency regulatory approval in the U.S., which CEO Albert Bourla announced a month ago….

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