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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                3 dex inactivated
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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 | 
        
        
            
                 
                Yes
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                6.2
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                37dC
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                HA with strain G16310 in 29th newborn mouse passage gives 4 units
              at 1:5 dilution.
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                CF, NT
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                HA with strain G16310 in 29th newborn mouse passage gives 4 units
              at 1:5 dilution.
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