Physicochemical
RNA, Double Strand
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10
|
|
(S)
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|
|
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|
|
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1.16 gm/ml (5)
|
(S)
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|
(S)
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| Stability of Infectivity (effects) |
Optimum stability of infectivity at pH 7-8 (7)
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8.0 dex
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8.5 dex
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4.0 dex
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6.5 dex
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Relatively resistant to lipid solvents, deoxycholate (18)
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| Virion Morphology |
Icosahedral (17)
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70-75 nm
|
64 + - 4 nmnm
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nm
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Electron microscopy (5)
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No envelope present (17)
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| Morphogenesis |
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| Hemagglutination |
No(2)
|
SMB ext. by sucrose-acetone
|
Goose
|
6.0-6.8
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CF, NT
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