1921
Volume 90, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Abstract.

Nipah virus has caused recurring outbreaks in central and northwest Bangladesh (the “Nipah Belt”). Little is known about roosting behavior of the fruit bat reservoir, , or factors driving spillover. We compared human population density and ecological characteristics of case villages and control villages (no reported outbreaks) to understand their role in roosting ecology and Nipah virus spillover risk. Nipah Belt villages have a higher human population density ( < 0.0001), and forests that are more fragmented than elsewhere in Bangladesh (0.50 versus 0.32 patches/km, < 0.0001). The number of roosts in a village correlates with forest fragmentation (r = 0.22, = 0.03). Villages with a roost containing or trees were more likely case villages (odds ratio [OR] = 10.8, 95% confidence interval [CI] = 1.3–90.6). This study suggests that, in addition to human population density, composition and structure of the landscape shared by and humans may influence the geographic distribution of Nipah virus spillovers.

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2014-02-05
2017-09-23
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  • Received : 12 May 2013
  • Accepted : 03 Sep 2013

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