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Univ. of Texas, Galveston

Scientists find year-round West Nile activity on Gulf Coast

Published in Lab Business Week, September 26th, 2004

How does the West Nile virus, which is transmitted by mosquitoes, survive the cold mosquito-free months of winter'

In New York City, West Nile's initial beachhead in North America, researchers found that the virus persisted in a kind of suspended animation in mosquitoes hibernating in sewers. But in much of the South, mosquitoes do not truly hibernate during winter - they just reduce their activity rate during cold periods, revving back up whenever the weather warms.

Understanding how the West Nile virus gets through winter under these conditions is crucial to understanding the ecology of West Nile in locations like the Gulf Coasts of Texas and...

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