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        Figure 2.26 Distribution of Nile viruses
        

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發(fā)布日期：2006-04-15  來源：-  作者：1020 x 495 像素

        

        核心提示：a) A map of the New York City area with
dots representing the locations where people lived who were con?rmed to be infected with
West Nile virus during the fall of 1999. b) Global distribution of different strains of Nile viruses.
Note that prior
        
  
          
     
    
  
        
  
          
     
    
  
        

        

        

        

Figure 2.26 Distribution of Nile viruses


        

        

        
        
         
        

        




        

        

        

  
        

        

         
        



        

        

        

         
        

        

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