Influenza: An Emerging Disease
1998
Influenza: An Emerging Disease
publication
Evidence: moderate
Author Information
Author(s): Robert G. Webster
Primary Institution: St. Jude Children's Research Hospital
Hypothesis
All mammalian influenza viruses derive from the avian influenza reservoir.
Conclusion
Influenza viruses continue to evolve and pose a significant risk for pandemics due to their transmission between species.
Supporting Evidence
- Influenza viruses replicate in wild ducks without causing disease.
- Live-bird markets facilitate the mixing and spread of influenza viruses.
- Phylogenetic studies show that avian viruses are genetically stable over time.
Takeaway
Influenza viruses come from birds and can jump to humans, causing sickness. We need to keep an eye on birds and pigs to stop new flu outbreaks.
Methodology
The study involved phylogenetic analyses of nucleic acid sequences of influenza A viruses from various hosts and regions.
Limitations
The study does not provide specific data on the frequency of interspecies transmission.
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