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Virus Name:
Getah
Abbreviation:
GETV
Status
Arbovirus
Select Agent
No
SALS Level
3
SALS Basis
Disease is sheep, cattle, or horses.
Other Information
USDA Restricted
Antigenic Group
A
Section V - Antigenic Relationship and Lack of Relationship to Other Viruses
Antigenic relationships of Getah virus [2] .
Getah Antigen
HI
CF
NT
Immune Sera
Ht/Ho
Ratio
Ht/Ho
Ratio
Ht/Ho
N544: Strain of Getah virus isolated in Australia.
Sagiyama
320/1280
1/4
>2.7/3.4
N544
2560/1280
2/1
512/256
2/1
Bebaru
<10/320
>1/32
20/320
1/16
1.4/>4.4
Mayaro
80/1280
1/16
1.1/>4.4
Semliki
<10/640
>1/64
32/128
1/4
1.4/3.0
Sindbis
<10/1280
>1/128
16/128
1/8
<0.4/3.3
EEE
<10/2560
>1/256
<0.3/4.0
WEE
<10/2560
>1/256
<0.3/3.6
VEE
<10/10240
>1/1024
<1.2/>3.2
Chikungunya
<10/320
>1/32
64/64
1
<1.0/2.4
Middelburg
<10/1280
>1/128
Getah Immune Sera
HI
CF
NT
Antigens
Ht/Ho
Ratio
Ht/Ho
Ratio
Ht/Ho
NOTE: Sagiyama, Bebaru, and Ross River viruses have been proposed as subtypes of Getah. At least Sagiyama should be studied further to learn if it is a variety or subtype of Getah. See Ross River registration and Reference for further data on antigenic relationship among alphaviruses.
Sagiyama
16/256
1/16
>3.3/4.5
N544
80/320
1/4
256/256
1
Bebaru
20/640
1/32
20/640
1/32
1.4/4.5
Mayaro
<10/640
>1/64
2.4/4.5
Semliki
160/640
1/4
32/256
1/8
1.3/4.5
Sindbis
<10/640
>1/64
32/256
1/8
0.0/4.5
EEE
<10/640
>1/64
<4/32
-
0.3/4.5
WEE
<10/640
>1/64
<4/32
-
0.2/4.5
VEE
<10/640
>1/64
Chikungunya
<10/640
>1/64
64/256
1/4
0.8/4.5
Middelburg
<10/640
>1/64
Getah virus has been placed in the SF complex of serogroup A. Sagiyama, Bebaru and Ross River viruses have been antigenically classified as subtypes of Getah virus in the SF complex [24] .
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