Environmental Factors Contributing to the Spread of H5N1 Avian Influenza in Mainland China
2008

Environmental Factors Affecting H5N1 Avian Influenza Spread in China

Sample size: 128 publication 10 minutes Evidence: moderate

Author Information

Author(s): Fang Li-Qun, de Vlas Sake J., Liang Song, Looman Caspar W. N., Gong Peng, Xu Bing, Yan Lei, Yang Hong, Richardus Jan Hendrik, Cao Wu-Chun

Primary Institution: Beijing Institute of Microbiology and Epidemiology

Hypothesis

What environmental factors contribute to the spread of HPAI H5N1 virus in mainland China?

Conclusion

Environmental factors, such as proximity to highways and water bodies, contribute to the spread of HPAI H5N1 in mainland China.

Supporting Evidence

  • The study analyzed 128 confirmed HPAI H5N1 outbreaks in poultry and wild birds.
  • Logistic regression identified key environmental factors associated with HPAI spread.
  • A predictive risk map was created to target areas for intervention.

Takeaway

This study found that being close to lakes and highways can help spread bird flu, and we can use this information to stop it from spreading.

Methodology

A case-control study using logistic regression analysis on data from 128 HPAI H5N1 outbreaks and environmental variables.

Potential Biases

Potential overestimation of effects due to clustering of neighboring outbreaks.

Limitations

The study may not account for all environmental factors influencing HPAI spread.

Participant Demographics

Data collected from outbreaks in poultry and wild birds across 26 provinces in mainland China.

Statistical Information

P-Value

<0.001

Confidence Interval

0.742∼0.956

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002268

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