Physicochemical
RNA
|
|
3 (22)
|
|
(S)
|
|
|
|
3
|
|
|
|
|
(S)
|
|
(S)
|
|
| Stability of Infectivity (effects) |
|
|
<2.0 dex
|
4.0 dex (9)
|
|
|
|
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2.0 dex less (6)
|
|
Inact. by 0.25% formalin, 4C/3 days; by methylene blue+light (15).
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|
| Virion Morphology |
|
94-100 nm (20-22)
|
nm
|
nm
|
Electron microscopy (22)
|
Envelope observed (22)
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|
|
| Morphogenesis |
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|
|
|
|
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| Hemagglutination |
Yes
|
Mouse serum, acetone-ether; freezing 72 hours (7);
sucrose-acetone (8)
|
Goose
|
Varies
|
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4-37dC
|
25dC
|
Frozen serum of naturally infected animal has been successfully
used as antigen in HI test for diagnosis (11).
* Short illness, loss of appetite, listlessness, asthenia.
|
HI, CF, NT
|
Frozen serum of naturally infected animal has been successfully
used as antigen in HI test for diagnosis (11).
* Short illness, loss of appetite, listlessness, asthenia.
|
| |
