7 ms·

What's the difference?

• lotsofpulp 6y ago
  https://www.gavi.org/vaccineswork/what-difference-between-efficacy-and-effectiveness https://www.gavi.org/vaccineswork/what-difference-between-ef... >Efficacy is the degree to which a vaccine prevents disease, and possibly also transmission, under ideal and controlled circumstances – comparing a vaccinated group with a placebo group. Effectiveness meanwhile refers to how well it performs in the real world.
  • vram22 6y ago
    Got it, and will check that link out, thanks.