AI Article Synopsis
- Global temperature rise affects vector-borne diseases, with mosquitoes being particularly sensitive to temperature changes.
- In New York State, researchers explored how different mosquito populations respond to varying temperatures, using new data to create predictive models for West Nile virus (WNV) transmission.
- Findings reveal that differences in life history traits among mosquito populations can lead to notable geographic variations in WNV transmission rates, highlighting the impact of climate change on disease spread.
Article Abstract
Temperature is increasing globally, and vector-borne diseases are particularly responsive to such increases. While it is known that temperature influences mosquito life history traits, transmission models have not historically considered population-specific effects of temperature. We assessed the interaction between population and temperature in New York State (NYS) and utilized novel empirical data to inform predictive models of West Nile virus (WNV) transmission. Genetically and regionally distinct populations from NYS were reared at various temperatures, and life history traits were monitored and used to inform trait-based models. Variation in life history traits and population-dependent thermal responses account for a predicted 2.9°C difference in peak transmission that is reflected in regional differences in WNV prevalence. We additionally identified genetic signatures that may contribute to distinct thermal responses. Together, these data demonstrate how population variation contributes to significant geographic variability in arbovirus transmission with changing climates.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11126822 | PMC |
| http://dx.doi.org/10.1016/j.isci.2024.109934 | DOI Listing |
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