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          Uncover truth by science-based origin-tracing
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2021-08-01 06:30
          
          
          
          
        


        
      
          
      
          
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          We should realize that the work of origin-tracing is very important, so we must answer the big question of "where did the virus come from", said Xu Nanping, vice-minister of Science and Technology.
          
          
        
          

        
        
      
    
        

        
          
          
          
        
          

      
          
      

    
          
    
          

      
          

        
      
          

    
          


    
          
      
          

        
          
        
          
        
      
          
      
          

        
        
      
      
    
      
          
    
          


    
      
      
      
          
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