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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                4.4 dex
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                5.5 dex
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                4.3 dex
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                5.2 dex
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                1:200
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                4.7 dex
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                5.2 dex
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            | Virion Morphology | 
        
        
            
                 
                
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                nm
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                nm
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            | Morphogenesis | 
        
        
            
                 
                
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            | Hemagglutination | 
        
        
            
                 
                No
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                SMB ext. by sucrose-acetone with and without protamine
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                Goose
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                5.7-7.6
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                27d
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                SMB ext. by acetone-ether, also tested for HA
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                CF and NT
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                SMB ext. by acetone-ether, also tested for HA
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