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Related Experiment Videos

Vaccine quality--can a single standard be defined?

Julie Milstien1, Nora Dellepiane, Scott Lambert

  • 1Department of Vaccines and Biologicals, World Health Organization, Geneva, Switzerland. milstienj@who.int

Vaccine
|January 23, 2002
PubMed
Summary

Defining "vaccines of assured quality" is crucial for global monitoring. The World Health Organization (WHO) emphasizes competent regulatory oversight and a single quality standard for all vaccines used in national immunization programs.

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Area of Science:

  • Public Health
  • Regulatory Science
  • Vaccinology

Background:

  • Assessing and ensuring global vaccine quality is essential for public health initiatives.
  • Manufacturers hold primary responsibility for vaccine quality, but regulatory oversight is key.
  • The World Health Organization (WHO) has proposed a definition for "vaccines of assured quality".

Purpose of the Study:

  • To define "vaccines of assured quality" for global analysis and progress monitoring.
  • To establish criteria for regulatory authorities to ensure consistent vaccine standards.
  • To outline pathways for improving vaccine quality through strengthened regulatory systems.

Main Methods:

  • Defining "vaccines of assured quality" based on regulatory competence and product standards.

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  • Utilizing an independent review system incorporating licensing dossiers, field surveillance, laboratory testing, and inspections.
  • Emphasizing evidence-based decision-making for vaccine approval in specific contexts and populations.

    • Main Results:

    • A "vaccine of assured quality" consistently meets purity, potency, safety, and efficacy standards.
    • Competent regulatory authorities are essential for judging vaccine quality through independent review.
    • Strengthening national regulatory authorities provides a clear pathway to enhance vaccine quality.

    Conclusions:

    • A single, high standard of vaccine quality is necessary, enforced by competent regulatory oversight.
    • Vaccines of assured quality should be prioritized for national immunization programs.
    • Risk-benefit analysis, coupled with assured quality, should guide vaccine selection for specific populations.