Rarity of Influenza A Virus in Spring Shorebirds, Southern Alaska
2008

Rarity of Influenza A Virus in Spring Shorebirds, Southern Alaska

Sample size: 1820 publication Evidence: moderate

Author Information

Author(s): Kevin Winker, Erica Spackman, David E. Swayne

Primary Institution: University of Alaska Museum

Hypothesis

What is the prevalence of Influenza A virus in spring shorebirds in Southern Alaska?

Conclusion

The study found that the prevalence of Influenza A virus in spring shorebirds in Alaska is very low, with only one positive case identified among 1,820 samples.

Supporting Evidence

  • Only one AI virus was identified among 1,820 samples, indicating a prevalence of 0.055%.
  • The prevalence in Alaska was lower than that found in the Delaware Bay area.
  • Results suggest that the role of shorebirds in AI virus ecology is heterogeneous within North America.

Takeaway

The researchers looked for a virus in birds in Alaska and found it very rarely, showing that not many birds had it during spring.

Methodology

AI virus surveillance was conducted by sampling shorebirds and gulls, followed by real-time RT-PCR screening for the virus.

Limitations

The study only covered two years and had fewer samples compared to other studies.

Participant Demographics

The study focused on shorebirds and gulls in the Copper River Delta area of Alaska.

Digital Object Identifier (DOI)

10.3201/eid1408.080083

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