Analytical, Diagnostic and Therapeutic Techniques, and Equipment

Vaccine Efficacy

A measurement of disease risk reduction among vaccinated compared to unvaccinated persons under ideal conditions such as in a clinical trial. Such disease reduction measured under typical field conditions is vaccine effectiveness. In contrast vaccine potency is measured in an assay to ensure proper dosing and storage of vaccines whereas vaccine immunogenicity measures its ability to induce an immune response in a vaccinated individual in observational studies.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A measurement of disease risk reduction among vaccinated compared to unvaccinated persons under ideal conditions such as in a clinical trial. Such disease reduction measured under typical field conditions is vaccine effectiveness. In contrast vaccine potency is measured in an assay to ensure proper dosing and storage of vaccines whereas vaccine immunogenicity measures its ability to induce an immune response in a vaccinated individual in observational studies.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

2 entry terms
  • Efficacy, Vaccine
  • Vaccine Effectiveness

MeSH Record

Aspects Covered

1 allowable subheadings

Indexed with the subheadings statistics & numerical data.

MeSH Record

History Note

2022

MeSH Record

Previous Indexing

  • Vaccines (1966-2021)

MeSH Hierarchy

Tree Number

  1. E05.952.500w

AMA Style

References

  1. National Library of Medicine. Vaccine Efficacy. Medical Subject Headings (MeSH). 2026. Unique ID D000087507. http://id.nlm.nih.gov/mesh/2026/D000087507
  2. Vaccine Efficacy. In: Wikipedia. https://en.wikipedia.org/wiki/Vaccine_efficacy
  3. Vaccine Efficacy. In: Wikidata. https://www.wikidata.org/wiki/Q7907952