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Large animal models for vaccine development and testing.

Volker Gerdts1, Heather L Wilson1, Francois Meurens1

  • 1Volker Gerdts, DVM, PhD is the Associate Director of Research at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Heather Wilson, PhD, is a research scientist at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Francois Meurens, PhD, is a Professor at Oniris Nantes, Nantes Atlantic National College of Veterinary Medicine, Food Science and Engineering in Nantes, France. Sylvia van Drunen Littel-van den Hurk, PhD, is a senior research scientist at the Vaccine and Infectious Disease Organization-International Vaccine Centre, and a Professor in the Department of Microbiology & Immunology at the University of Saskatchewan. Don Wilson, DVM, is the Clinical Research Program Manager at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Stewart Walker, DVM, is a clinical research veterinarian at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Colette Wheler, DVM, MVSc, is a clinical research veterinarian at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Hugh Townsend, DVM, MSc, is the Contract Research & Core Activities Program Manager at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan. Andrew Potter, PhD, is the Director and CEO at the Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan.

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Summary
This summary is machine-generated.

Live animal models remain essential for human vaccine development, particularly large animals, which best predict clinical outcomes. While computational methods aid design, evaluating immune response requires in-vivo testing for vaccine efficacy and safety.

Keywords:
animal modelslarge animalsvaccinevaccine efficacy

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Area of Science:

  • Immunology
  • Vaccinology
  • Preclinical Research

Background:

  • Human vaccine development necessitates animal research for regulatory approval.
  • Bioinformatics and computational biology have reduced but not eliminated animal use.
  • Evaluating a vaccine's ability to elicit an effective immune response currently requires live systems.

Purpose of the Study:

  • To review the advantages and disadvantages of large animal models in human vaccine development.
  • To emphasize the critical role of appropriate animal model selection in preclinical vaccine testing.

Main Methods:

  • Review of existing literature on large animal models for vaccine research.
  • Analysis of the predictive value of different animal models for human vaccine outcomes.

Main Results:

  • Large animal models are crucial for assessing immune protection mechanisms, optimal vaccine formulation, and immunity duration.
  • No single animal model fully captures all necessary preclinical data.
  • Large animals demonstrate higher accuracy in predicting human vaccine responses compared to other models.

Conclusions:

  • Selecting the most appropriate large animal model is vital for successful human vaccine development.
  • Live animal studies remain indispensable for comprehensive preclinical vaccine evaluation and regulatory submission.