Physicochemical 
                
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                (S)
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                (S)
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                (S)
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            | Stability of Infectivity (effects) | 
        
        
            
                 
                
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                1.5 dex
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                6.8 dex
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            | Virion Morphology | 
        
        
            
                 
                
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                101 nm
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                nm
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                nm
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                Electron microscopy (3)
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            | Morphogenesis | 
        
        
            
                 
                
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            | Hemagglutination | 
        
        
            
                 
                Yes
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                SMB crude borate saline susp., pH 9.0; centrifuged.
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                Goose
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                6.0-6.4
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                6.2
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                4dC - 37dC
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                4dC
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                CF, NT
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