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Animal testing for vaccines. Implementing replacement, reduction and refinement: challenges and priorities.

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The global vaccine community must advance alternative testing methods to improve animal welfare and ensure timely access to high-quality vaccines. Harmonizing regulatory requirements is key for implementing these crucial changes, especially in low and middle-income countries.

Keywords:
Alternative methods to animal testingReduceRefineRegulatory harmonizationReplaceVaccine

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Area of Science:

  • Vaccinology and Toxicology
  • Regulatory Science
  • Animal Welfare

Background:

  • The vaccine industry faces critical needs for transitioning from in vivo to in vitro alternative methods in release testing and characterization.
  • A consistent approach and international harmonization of regulatory requirements are essential for progress.

Framework:

  • The conference focused on implementing the 3Rs (Replacement, Reduction, Refinement) in vaccine testing.
  • Discussions included advancements, case studies, and experiences from Low and Middle Income Countries (LMICs).

Implementation:

  • Experts identified barriers to validating, accepting, and implementing alternative methods.
  • Interactive workshops and panel discussions aimed to overcome these challenges.

Implications:

  • Collaborative efforts are vital for enhancing animal welfare in vaccine development.
  • Harmonization of regulatory requirements can accelerate the availability of high-quality vaccines globally, particularly for LMICs.