![](https://nccid.ca/wp-content/uploads/sites/2/2023/04/Vaccine-Effectiveness-vs-Efficacy_graphic.png)
Vaccine Effectiveness vs Vaccine Efficacy
Publication Summary
This infographic describes the difference between vaccine effectiveness and vaccine efficacy.
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![](https://nccid.ca/wp-content/uploads/sites/2/2023/04/Vaccine-Effectiveness-vs-Efficacy_graphic.png)
This infographic describes the difference between vaccine effectiveness and vaccine efficacy.