Physicochemical
RNA, Single Strand
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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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<2.0 dex
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6.2 dex (8)
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1:100
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<2.0 dex
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6.9 dex (9)
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Sens. to trypsin, chymotrypsin, papain, pancreatic lipase,
sodium lauryl sulfate
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| Virion Morphology |
Spherical
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50-55 nm
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nm
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nm
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Electron microscopy, negative staining (4)
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Enveloped, spiked particles
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| Morphogenesis |
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| Hemagglutination |
Yes
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SMB ext. by borate-KCl, pH 9; acetone-ether; sucrose-acetone
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Goose
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5.8-6.8
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6.2
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4dC, 25dC, 37dC
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4dC, 24dC
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After exp. human passage virus adapted to wn mice by ic inoc. (2).
3 HA fractions and at least 3 CF's (4-6)
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HI, CF, PRNT, immunodiffusion
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After exp. human passage virus adapted to wn mice by ic inoc. (2).
3 HA fractions and at least 3 CF's (4-6)
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