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08:46
Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field
Published on: August 2, 2011
(Highly pathogenic) avian influenza as a zoonotic agent
Donata Kalthoff1, Anja Globig, Martin Beer
1Institute of Diagnostic Virology, Friedrich-Loeffler-Institut Insel Riems, Südufer 10, 17493 Greifswald-Insel Riems, Germany.
Veterinary Microbiology
|September 29, 2009
Summary
Avian influenza viruses, particularly H5N1, pose a significant zoonotic threat. Controlling avian influenza at its source is crucial to prevent potential human pandemics.
Area of Science:
- Veterinary Medicine
- Virology
- Public Health
Background:
- Influenza A viruses are a recurring global challenge, with wild aquatic birds serving as the natural reservoir for all subtypes.
- Avian influenza viruses, generally low pathogenic (LPAIV) in birds, can become highly pathogenic (HPAIV) after mutation and adaptation, causing significant economic losses in poultry.
Purpose of the Study:
- To provide a comprehensive overview of avian influenza viruses concerning their zoonotic potential.
- To highlight the pandemic risks posed by specific avian influenza subtypes, including H5N1, H2, H7, and H9.
Main Methods:
- Review of scientific literature on avian influenza virus epidemiology and zoonotic transmission.
- Analysis of the characteristics of highly pathogenic avian influenza viruses (HPAIV), focusing on H5N1.
- Assessment of pandemic potential based on human infection data and transmission capabilities.
Main Results:
- Wild aquatic birds are the natural reservoir for all influenza A virus subtypes.
- Highly pathogenic avian influenza viruses (HPAIV), such as H5N1, demonstrate strong zoonotic potential, with documented transmission to mammals, including humans.
- HPAIV H5N1 meets key criteria for a pandemic virus, including novelty in the human population and high lethality.
Conclusions:
- Controlling avian influenza, especially H5N1, at its source is essential to mitigate pandemic risks.
- Avian influenza viruses with zoonotic potential, including subtypes H2, H7, and H9, require ongoing surveillance and research.
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