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A comment on FDA Approves First Covid-19 Vaccine. Parent comment

Re:FDA Approves First Covid-19 Vaccine by oblio on Monday August 23, 2021 @11:03AM (#28276870)
I think 70% was part of the original messaging based on general epidemiology statistics.

It was probably updated once we found out more about Covid-19 Alpha, and later for Delta.

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