Decelerating Spread of West Nile Virus by Percolation in a Heterogeneous Urban Landscape
2011

Decelerating Spread of West Nile Virus in NYC

Sample size: 1000000 publication 10 minutes Evidence: high

Author Information

Author(s): Magori Krisztian, Bajwa Waheed I., Bowden Sarah, Drake John M.

Primary Institution: Odum School of Ecology, University of Georgia

Hypothesis

Heterogeneity in urban environments would cause decelerating travelling waves in incipient epidemics.

Conclusion

The study provides evidence that the spread of West Nile virus in New York City decelerated due to environmental heterogeneity.

Supporting Evidence

  • The study analyzed over 1,000,000 records of WNV spread in NYC.
  • Deceleration in WNV spread was observed in all years studied.
  • Environmental heterogeneity was linked to the deceleration of WNV spread.
  • Control strategies targeting key sites could effectively prevent pathogen spread.

Takeaway

In cities, the way the environment is set up can slow down how fast diseases spread, like the West Nile virus in New York.

Methodology

Analyzed data on the spread of West Nile virus in NYC from 2000 to 2008 and developed a spatial model for disease transmission.

Potential Biases

Potential biases in data collection methods for reporting WNV-positive birds and mosquitoes.

Limitations

The study assumes a simplified model of the environment and may not capture all complexities of urban landscapes.

Participant Demographics

Data collected from urban environments in New York City.

Statistical Information

P-Value

p<0.0001

Confidence Interval

[0.598, 0.600]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pcbi.1002104

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