Physicochemical
RNA, Double Strand
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12 (24)
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(S)
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(S)
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(S)
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Stability of Infectivity (effects) |
Labile at pH 3.0 (20)
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Relatively resistant to lipid solvents and sodium deoxycholate(20)
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Virion Morphology |
Orbivirus morphology
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80 nm
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nm
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nm
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Gradacol membrane; electron microscopy (16,17)
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No envelope; occasionally pseudoenvelopes
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Round-shaped capsid; diameter = 50 nm
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Morphogenesis |
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Hemagglutination |
No
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SMB and serum ext. by acetone-ether
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Chick
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CF and NT
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