Avian Influenza A Virus (H5N1) Outbreaks in Kuwait, 2007
Author Information
Author(s): Al-Azemi Ahmad, Bahl Justin, Al-Zenki Sameer, Al-Shayji Yousif, Al-Amad Sami, Chen Honglin, Guan Yi, Peiris J.S. Malik, Smith Gavin J.D.
Primary Institution: Kuwait Institute for Scientific Research
Hypothesis
Phylogenetic analysis of influenza A viruses (H5N1) isolated from Kuwait in 2007 shows that (H5N1) sublineage clade 2.2 viruses continue to spread across Europe, Africa, and the Middle East.
Conclusion
The study confirms that clade 2.2 HPAI (H5N1) viruses were responsible for the poultry outbreaks recorded in Kuwait in early 2007.
Supporting Evidence
- 131 influenza virus (H5N1)–infected poultry were confirmed from 20 farms throughout Kuwait.
- The disease resulted in high mortality rates among infected flocks, especially in commercial broiler farms.
- Control measures included vaccination, disinfection, and culling of approximately 500,000 birds.
- Phylogenetic analysis showed that the Kuwait isolates were most closely related to viruses from Germany and Russia.
Takeaway
In 2007, a bird flu outbreak happened in Kuwait, and scientists found that the virus was related to similar viruses in other countries.
Methodology
The study involved collecting samples from infected poultry, conducting PCR tests, and performing phylogenetic analysis on the virus strains.
Digital Object Identifier (DOI)
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