Physicochemical
|
|
|
|
(S)
|
|
|
|
|
|
|
|
|
(S)
|
|
(S)
|
|
Stability of Infectivity (effects) |
Cell culture grown virus rapidly inactivated below pH 7.0 (17).
|
|
|
|
|
|
|
|
|
|
|
|
Virion Morphology |
|
|
nm
|
nm
|
|
|
|
|
Morphogenesis |
|
|
|
|
|
|
Hemagglutination |
Yes
|
SMB ext. by acetone ether
|
Chick
|
6.0-7.0
|
6.2
|
4dC to 37dC
|
37dC
|
|
HI, CF, NT and protection challenge
|
|
|