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Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes
Published on: September 27, 2014
Evaluation of perceived threat differences posed by filovirus variants
Jens H Kuhn1, Lori E Dodd, Victoria Wahl-Jensen
1National Institutes of Health, National Institute of Allergy and Infectious Diseases, Division of Clinical Research, Integrated Research Facility at Fort Detrick, Frederick, Maryland, USA.
Summary
For filovirus research and medical countermeasures, focus on classical prototypes: Marburg virus Musoke and Ebola virus Mayinga. This standardization aids biodefense efforts and regulatory acceptance.
Area of Science:
- Virology
- Biodefense Research
- Pathogen Standardization
Background:
- Filoviruses (ebolaviruses, marburgviruses) are NIAID Category A Priority Pathogens and CDC Category A Bioterrorism Agents in the U.S.
- Discussions are ongoing among U.S. biodefense professionals and policy experts to optimize filovirus research for medical countermeasure development.
- Standardized procedures and reagents are crucial for independent verification of research, establishing animal model baselines for regulatory approval (e.g., FDA), and fiscal responsibility.
Purpose of the Study:
- To discuss the rationale for selecting prototype filovirus strains, variants, or isolates for product development, evaluation, and validation.
- To recommend specific filovirus prototypes for biodefense research based on scientific data and historical context.
Main Methods:
- Review and analysis of available scientific data on filovirus strains, variants, and isolates.
- Evaluation of arguments favoring different filovirus variants for research and product development.
- Consideration of isolation history and genomic properties of filovirus variants.
Main Results:
- Currently available data support the use of classical taxonomic filovirus prototypes for biodefense research.
- Marburg virus Musoke is recommended as the prototype for marburgviruses.
- Ebola virus Mayinga is recommended as the prototype for Zaire ebolaviruses.
Conclusions:
- Filovirus biodefense research should prioritize Marburg virus Musoke and Ebola virus Mayinga as the primary prototypes.
- Arguments for alternative variants (e.g., Marburg virus Angola, Ci67, Popp; Ebola virus Kikwit) appear based on anecdotal, unpublished, or unverified data.
- Adopting classical prototypes ensures a scientifically sound and data-driven approach to medical countermeasure development for filoviruses.
