Land Use and West Nile Virus Seroprevalence in Wild Mammals
2008

West Nile Virus in Wild Mammals and Land Use

Sample size: 244 publication 10 minutes Evidence: moderate

Author Information

Author(s): Gómez Andrés, Kilpatrick A. Marm, Kramer Laura D., Dupuis Alan P. II, Maffei Joseph G., Goetz Scott J., Marra Peter P., Daszak Peter, Aguirre A. Alonso

Primary Institution: Columbia University

Hypothesis

Does West Nile virus seroprevalence in wild mammals differ based on species, age, capture date, and urbanization?

Conclusion

The study found that West Nile virus seroprevalence in wild mammals varies significantly by species, age, and urbanization.

Supporting Evidence

  • WNV antibody prevalence increased with age and urbanization.
  • Significant differences in seroprevalence were found among species.
  • Juveniles showed higher exposure to WNV compared to adults.

Takeaway

This study looked at how many wild animals have been exposed to West Nile virus in different areas, finding that more urban places have more infected animals.

Methodology

Mammals were trapped at 7 sites along a forest-to-urban gradient, and blood samples were tested for antibodies to West Nile virus.

Potential Biases

Potential biases in sampling methods and site selection could affect results.

Limitations

The study may not account for all confounding factors affecting seroprevalence.

Participant Demographics

The study included 11 species of wild mammals, with a focus on age differences (juveniles vs. adults).

Statistical Information

P-Value

0.008

Confidence Interval

1.02 (1.0–1.03)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3201/eid1406.070352

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