[Tipllub]

95% effective compared to what? Were they exposing test subjects to the virus during the testing phase?

[House Atreides]

“…95% effective compared to what? Were they exposing test subjects to the virus during the testing phase?…”
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Well, during the DOUBLE BLINDED trials the tens of thousands of those who received the actual vaccine were as exposed as the tens of thousands who received the placebo.

The statistical validity of the results may be beyond your ability to comprehend but most FReepers “get it”.