Characterization of Equine H3N8 Influenza Viruses in Greece
Author Information
Author(s): Bountouri Maria, Fragkiadaki Eirini, Ntafis Vasileios, Kanellos Theo, Xylouri Eftychia
Primary Institution: Agricultural University of Athens, Greece
Hypothesis
The study aims to isolate and characterize equine influenza virus strains from outbreaks in Greece during 2003 and 2007.
Conclusion
The Greek strains of equine influenza represent an example of 'frozen evolution' and likely reassortment between different viral strains.
Supporting Evidence
- Equine influenza virus was isolated from 16 out of 30 nasal swabs.
- The Greek isolates were classified as members of the Eurasian lineage.
- Phylogenetic analysis indicated reassortment between different viral strains.
Takeaway
Researchers found a virus that makes horses sick in Greece, and it looks like it has mixed genes from different viruses.
Methodology
Nasal swabs from affected horses were tested for equine influenza virus using MDCK cell culture, RT-PCR, and sequencing.
Potential Biases
There may be risks of bias due to the limited sample size and the specific geographic focus.
Limitations
The study only includes data from two outbreaks and does not account for potential laboratory contamination.
Participant Demographics
Affected horses were unvaccinated and aged between 6 months to 2 years.
Digital Object Identifier (DOI)
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