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    "Outstanding efficacy data" for China's COVID-19 vaccine, says Science report
    

    
Source: Xinhua|
Published: 2020-12-14

    

      
    
             
    
        
    
        
    
          
        
    
      
    
      
    
      

      
    
      
    
                        
    A China-developed COVID-19 vaccine has shown "outstanding efficacy data," according to a report published by the journal Science.?
    
 
            
      
    

    

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