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      Tips on virus prevention: How to wear a mask
      

      
Source: Xinhua|
Published: 2020-03-09

      

      
      
             
      
        
      
        
      
          
        
      
      
      
      
      
      

      
      
      
      
                        
      How to protect yourself from #coronavirus? Here are some tips for wearing masks.
      
  
 
            
      
      

      

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