Pfizer says an early peek at its vaccine data suggests the shots may be 90% effective at preventing COVID-19.
The interim analysis, from independent data monitors, looked at 94 infections recorded so far in a study that has enrolled nearly 44,000 people.
The shots are made by Pfizer and its German partner BioNTech.
Pfizer has said it plans to seek U.S. review later this month.
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(This story was originally published on Nov. 10, 2020)