equine west nile virus
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2015 ◽  
Vol 10 (2) ◽  
Author(s):  
Guiming Wang

The West Nile virus (WNv) continues to be a public health concern in North America. Dry weather appears to increase human WNv infection risks, but it is uncertain whether dry weather conditions exert similar effects on the corresponding equine WNv infection. This study assessed the effects of precipitation of the previous year and land cover diversity on the equine WNv risk of Mississippi, USA, at the county level in the year 2002 using Bayesian hierarchical models. The risk estimated for 2002 was found to be inversely related to annual precipitation of the preceding year. Equine WNv risks were lower with greater land cover diversity probably due to the diluting effects of biodiversity. Correlation between the equine and human WNv risks was positive but relatively low. Dry weather conditions of the previous year might reduce mosquito competitors and predators and subsequently increase mosquito abundances and equine WNv risks in agricultural areas with low biodiversity.


2008 ◽  
Vol 33 (5) ◽  
pp. 461-471 ◽  
Author(s):  
Michael P. Ward ◽  
Courtney A. Wittich ◽  
Geoffrey Fosgate ◽  
Raghavan Srinivasan

2003 ◽  
Vol 7 (43) ◽  
Author(s):  
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On October 6, a case of human West Nile virus (WNV) infection was notified


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