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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1:200
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2.6 dex
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4.1 dex (3)
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| Virion Morphology |
Bullet-shaped (4)
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167 x 80 nm
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nm
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nm
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Negative contrast (4)
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Envelope present; projections prominnen
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Helical nucleocapsid (4)
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| Morphogenesis |
Cytoplasmic matrix of massed nucleocapsids beneath siteof budding.
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At site of budding through endoplasmic reticulum.
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Cisternae of endoplasmic reticulum
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Cytoplasmic, prominent, small diameter.
Not identifiable by light microscopy (4)
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| Hemagglutination |
No
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SMB ext. by sucrose-acetone
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Goose
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5.8-6.6
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CF, NT
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