Vaccine Efficacy

%
%
Health

Vaccine Efficacy — clinical reference calculator.

Formula

VE = (1 − ARV/ARU) × 100%; NNT = 1/(ARU − ARV)
  • VE = (1 − ARV/ARU) × 100%; NNT = 1/(ARU − ARV) — for clinical reference only.

Vaccine Efficacy

Vaccine Efficacy calculation.

Frequently asked questions

Is this validated?
Yes, based on published clinical scoring systems. Always confirm with current guidelines.