Molecular characterization of highly pathogenic H5N1 avian influenza viruses isolated in Sweden in 2006
2008

Study of H5N1 Avian Influenza Viruses in Sweden

Sample size: 12 publication Evidence: high

Author Information

Author(s): Kiss István, Gyarmati Péter, Zohari Siamak, Ramsay Karin Wilbe, Metreveli Giorgi, Weiss Elisabeth, Brytting Maria, Stivers Marielle, Lindström Sofia, Lundkvist Ake, Nemirov Kirill, Thorén Peter, Berg Mikael, Czifra György, Belák Sándor

Primary Institution: Joint Research and Development Division in Virology of the National Veterinary Institute (SVA) and Swedish University of Agricultural Sciences (SLU)

Hypothesis

What are the genetic features and relationships of H5N1 avian influenza viruses isolated in Sweden in 2006?

Conclusion

The study confirms the presence of two sub-lineages of H5N1 avian influenza viruses in Sweden in 2006 and highlights their genetic relationships with other European isolates.

Supporting Evidence

  • The study confirmed the co-circulation of two sub-lineages of H5N1 viruses in Sweden.
  • Phylogenetic analysis showed close genetic relationships with German and Danish isolates.
  • Amino acid differences between the two sub-groups affected the predicted antigenicity of the viruses.

Takeaway

Scientists studied bird viruses from Sweden to see how they are related to other viruses in Europe, finding two different types of the virus.

Methodology

Twelve isolates were sequenced and characterized to study their genetic features and relationships.

Digital Object Identifier (DOI)

10.1186/1743-422X-5-113

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