Globalization, land use, and the invasion of West Nile virus.
Globalization, land use, and the invasion of West Nile virus.
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DOI:
10.1126/science.1201010
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发表时间:
2011-10-21
期刊:
影响因子:
--
通讯作者:
Kilpatrick AM
中科院分区:
文献类型:
--
作者:
Kilpatrick AM
Many invasive species that have been spread through the globalization of trade and travel are infectious pathogens. A paradigmatic case is the introduction of West Nile virus (WNV) into North America in 1999. A decade of research on the ecology and evolution of WNV includes three findings that provide insight into the outcome of future viral introductions. First, WNV transmission in North America is highest in urbanized and agricultural habitats, in part because the hosts and vectors of WNV are abundant in human-modified areas. Second, after its introduction, the virus quickly adapted to infect local mosquito vectors more efficiently than the originally introduced strain. Third, highly focused feeding patterns of the mosquito vectors of WNV result in unexpected host species being important for transmission. These findings provide a framework for predicting and preventing the emergence of foreign vector-borne pathogens.
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