Psst ..its not really 95% effective...i really think Pfizer has set themselves up for failure here. As salesman you always under promise and over deliver. They could have come up with any (d) effective rate based on their laughably small sample size but they went with 95% instead of a much lower number with better long term results.
As a layperson its incredible to me that we've been trying to come up with a flu vaccine for decades and still only get 30-50% effectiveness yet in 8 short months we essentially (95%) have a cure for a completely new virus.
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