A proposed disease classification system for duck viral hepatitis
Xumin Ou1, Sai Mao1, Jingwen Dong1
1Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, China; Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, Sichuan, China.
Poultry Science
|July 29, 2022
Summary
Duck viral hepatitis (DVH) nomenclature is confusing, with 14 viruses linked to one name. A proposed update aligns with Koch's postulates for clearer scientific communication.
Area of Science:
- Veterinary Virology
- Hepatotropic Virus Research
- Disease Nomenclature
Background:
- Historically, duck viral hepatitis (DVH) nomenclature was straightforward.
- Currently, 14 hepatotropic viruses from 10 genera are associated with the single name DVH.
- This broad association causes significant confusion regarding disease-virus relationships.
Purpose of the Study:
- To address the lack of clarity in current duck viral hepatitis nomenclature.
- To propose an updated classification system for DVH.
- To improve scientific communication and interpretation within the veterinary community.
Main Methods:
- Revisiting the nomenclature problem of duck viral hepatitis.
- Developing a new classification system based on human viral hepatitis nomenclature.
- Applying Koch's postulates principle of 'one microbe and one disease'.
Main Results:
- Proposed 10 new disease names for duck viral hepatitis.
- Literally matched proposed names with specific hepatitis-related viruses.
- Established a clear link between individual viruses and distinct disease entities.
Conclusions:
- The proposed nomenclature system enhances clarity for duck viral hepatitis.
- This intuitive system facilitates scientific communication and consistent interpretation.
- The update is particularly relevant for the Asian veterinary community, a hotspot for these diseases.
Related Concept Videos
Viral Recombination
23.7K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
23.7K
Viral Mutations
32.8K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
32.8K


