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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1:20
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<4.6 dex
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8.6 dex
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1:1000
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<4.6 dex
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8.6 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 |
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SM serum ext. by acetone-ether
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Chicks
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5.0-6.0
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5.6
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4dC, 27dC, 37dC
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27dC
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HA antigen also prepared from infected suckling mouse brain by sucrose-acetone method (1)
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HI, CF, NT
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HA antigen also prepared from infected suckling mouse brain by sucrose-acetone method (1)
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