H5N1 Virus Found in Whooper Swans in Japan
Author Information
Author(s): Uchida Yuko, Mase Masaji, Yoneda Kumiko, Kimura Atsumu, Obara Tsuyoshi, Kumagai Seikou, Saito Takehiko, Yamamoto Yu, Nakamura Kikuyasu, Tsukamoto Kenji, Yamaguchi Shigeo
Primary Institution: National Institute of Animal Health, Kannondai, Japan
Hypothesis
What is the genetic and pathogenic profile of the H5N1 virus isolated from whooper swans in Japan?
Conclusion
The H5N1 virus isolated from the whooper swans in Japan is genetically distinct from previous strains that caused outbreaks in the country.
Supporting Evidence
- The H5N1 virus was isolated from four whooper swans found dead.
- The virus was shown to be highly pathogenic to chickens.
- Phylogenetic analysis indicated that the virus belongs to clade 2.3.2.
- The virus was genetically distinguishable from previous strains in Japan.
- Previous outbreaks in Japan were caused by different clades of H5N1.
Takeaway
Some swans in Japan got sick from a dangerous bird flu virus called H5N1, and scientists found that this virus is different from the ones that caused problems before.
Methodology
The study involved isolating the H5N1 virus from the tracheas, cloacas, and internal organs of dead whooper swans and analyzing it through various tests.
Participant Demographics
The study focused on whooper swans found in Akita Prefecture, Japan.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website