[ml/nj]

Pfizer trials had about 44k people. Vaccine 8 cases Placebo 192 cases Math calculated 95% effective.

Please show me how one comes to 95% from these numbers. (And is that EXACTLY 95% or 95% +/- X%? )

ML/NJ

[TexasGator]

“Please show me how one comes to 95% from these numbers. (And is that EXACTLY 95% or 95% +/- X%? )”

Contact Pfizer