Pfizer Says Early Data Suggests Its Vaccine Is 90% Effective

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Pfizer Says Early Data Suggests Its Vaccine Is 90% Effective
The drug company developed a vaccine with the German firm BioNTech.
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Pfizer says its coronavirus vaccine is more than 90 percent effective.

The drug company developed a vaccine with the German firm BioNTech.

They say they're on track to have it reviewed by the FDA later this month.

44,000 people were involved in the vaccine trial. But its data has not been peer reviewed.