ArticleJournal of medical entomology2016
Temporal and Spatial Variability of Entomological Risk Indices for West Nile Virus Infection in Northern Colorado: 2006-2013.
Article in Journal of medical entomology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Evolutionary history of Jamestown Canyon virus reveals complex multi-vector ecology.Current biology : CB · 2026Article
- Evaluation of the safety and insecticidal efficacy of ivermectin-treated bird feed formulations in different avian species.Parasites & vectors · 2026Article
- Evolutionary history of Jamestown Canyon virus disentangles complex multi-vector ecology.bioRxiv : the preprint server for biology · 2026Article
- Genomic characterization of a severe West Nile Virus transmission season using a single reaction amplicon sequencing approach.PLoS neglected tropical diseases · 2026Article
- Evaluation of the safety and insecticidal efficacy of ivermectin-treated bird feed formulations in different avian species.bioRxiv : the preprint server for biology · 2025Article
- Predicted reduction in transmission from deployment of ivermectin-treated birdfeeders for local control of West Nile virus.Epidemics · 2023Article
- Dynamics of eastern equine encephalitis virus during the 2019 outbreak in the Northeast United States.Current biology : CB · 2023Article
- Dynamics of Eastern equine encephalitis virus during the 2019 outbreak in the Northeast United States.medRxiv : the preprint server for health sciences · 2023Article
- Article
- Impact of extrinsic incubation temperature on natural selection during Zika virus infection of Aedes aegypti and Aedes albopictus.PLoS pathogens · 2021Article
- Can local risk of West Nile virus infection be predicted from previous cases? A descriptive study in Quebec, 2011-2016.Canadian journal of public health = Revue canadienne de sante publique · 2020Article
- New County Records ofJournal of the American Mosquito Control Association · 2019Article
- Evaluation of a novel West Nile virus transmission control strategy that targets Culex tarsalis with endectocide-containing blood meals.PLoS neglected tropical diseases · 2019Article
- Focal amplification and suppression of West Nile virus transmission associated with communal bird roosts in northern Colorado.Journal of vector ecology : journal of the Society for Vector Ecology · 2018Article
- Characterizing environmental risk factors for West Nile virus in Quebec, Canada, using clinical data in humans and serology in pet dogs.Epidemiology and infection · 2017Article
- Genomic epidemiology reveals multiple introductions of Zika virus into the United States.Nature · 2017Article
- Dynamics of West Nile virus evolution in mosquito vectors.Current opinion in virology · 2016Review
Corrections and comments
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Authors and funding
13 authors.
Funding
Abstract
West Nile virus (WNV) is enzootic in northern Colorado. Annual surveillance activities in Fort Collins, CO, include collecting female Culex mosquitoes and testing them for the presence of WNV RNA in order to calculate 1) Culex female abundance, 2) WNV infection rate, and 3) the vector index (VI). These entomological risk indices inform public policy regarding the need for emergency adulticiding. Currently, these are calculated on a city-wide basis. In this study, we present descriptive data from historical surveillance records spanning 2006-2013 to discern seasonal and yearly patterns of entomological risk for WNV infection. Also, we retrospectively test the hypothesis that entomological risk is correlated with human transmission risk and is heterogeneous within the City of Fort Collins. Four logistically relevant zones within the city were established and used to test this hypothesis. Zones in the eastern portion of the city consistently had significantly higher Culex abundance and VI compared with zones in the west, leading to higher entomological risk indicators for human WNV infection in the east. Moreover, the relative risk of a reported human case of WNV infection was significantly higher in the eastern zones of the city. Our results suggest that a more spatially targeted WNV management program may better mitigate human risk for WNV infection in Fort Collins, and possibly other cities where transmission is enzootic, while at the same time reducing pesticide use.
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