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WHO Conference: Tracking and evaluation of COVID-19 variants

      

      

        
          
          chinadaily.com.cn |
          Updated: 2021-02-09 04:39
        
        
          
          
          
          
        

      



      

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On Monday at the World Health Organization media briefing, the Director-General discussed the tracking and evaluating of COVID-19 variants to update efficacy of vaccines.

        
      


      
      
    

      

        
        
      

    
        
        

          
        
          
        

         
        
      
      
    
        
      
      
    
   
      
        

        
      

      

        
      

        
       
        
      

    
        
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