Physicochemical 
                
             | 
              | 
        
        
            
                 
                
             | 
            
                 
                
             | 
            
                 
                (S)
             | 
        
        
            
                 
                
             | 
            
                 
                
             | 
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                (S)
            | 
        
        
            
                 
                
             | 
            
                 
                (S)
             | 
        
        
            
  | 
        
        
            | Stability of Infectivity (effects) | 
        
        
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                2.8 dex
             | 
            
                 
                6.0 dex
             | 
        
        
            
                 
                
             | 
            
                 
                
             | 
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                2.0 dex
             | 
            
                 
                6.0 dex
             | 
        
        
            
                 
                
             | 
        
        
            
  | 
        
        
            | Virion Morphology | 
        
        
            
                 
                
             | 
            
                 
                < 220 nm
             | 
        
        
            
                 
                nm
             | 
            
                 
                nm
             | 
        
        
            
                 
                Millipore filtration
             | 
            
                 
                
             | 
            
                 
                
             | 
        
        
            
  | 
        
        
            | Morphogenesis | 
        
        
            
                 
                
             | 
            
                 
                
             | 
            
                 
                
             | 
        
        
            
                 
                
             | 
            
                 
                
             | 
        
        
            
  | 
        
        
            | Hemagglutination | 
        
        
            
                 
                Yes
             | 
            
                 
                SMB ext. by sucrose-acetone
             | 
            
                 
                Goose
             | 
        
        
            
                 
                6.0 - 6.4
             | 
            
                 
                6.2
             | 
        
        
            
                 
                4dC, room temperature
             | 
            
                 
                Room temperature
             | 
        
        
            
                 
                
             | 
        
        
            
                 
                CF, NT
             | 
        
        
            
                 
                
             | 
        
        
            |   |