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| Results of CF tests conducted at YARU showed viral isolate 86MSP18 to be in the Bunyamwera serogroup and to cross-react to titer or almost to titer with Cache Valley, Maguari, Bunyamwera, Playas, and Xingu viruses and to a lesser titer with Kairi, Tai, Guaro and Germiston viruses [2] . |
| COMPLEMENT FIXATION TEST REACTIONS OF 86MSP18 VIRUS WITH VIRUSES IN THE BUNYAMWRA SEROGROUP |
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| | Antibody |
|---|
| Antigen | 86MSP18 | CV | MAG | BUN | PLA | XINGU | KAI | TAI | GAO | GER |
|---|
|
| | * Antibody titer/antigen titer; 0/0 = <8/<4. | | 86MSP18 | 512/32 * | 512/32 | 32/32 | 128/32 | 512/32 | 128/32 | 0/0 | 8/4 | 0/0 | 0/0 | | CV | 512/256 | 512/256 | | | | | | | | | MAG | 512/64 | | 32/64 | | | | | | | | BUN | 512/64 | | | 512/254 | | | | | | | PLA | 512/8 | | | | 512/8 | | | | | | XINGU | 128/8 | | | | | 512/8 | | | | | KAI | 8/64 | | | | | | 128/56 | | | | TAI | 8/256 | | | | | | | 128/256 | | | GAO | 32/256 | | | | | | | | 128/256 | | GER | 8/8 | | | | | | | | | 32/8 |
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| Results by PRNT show viral strain 86MSP18 ti be distinct from Maguari and Xingu viruses but more closely related to Playas and Cache Valley viruses. |
| RESULTS OF SERUM DILUTION PLAQUE-REDUCTION NEUTRALIZATION TEST WITH FORT SHERMAN VIRUS, STRAIN 86MSP18, AND SELECTED BUNYAMWERA SEROGROUP VIRUSES |
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| | Antibody |
|---|
| Virus | Strain | Fort Sherman | Xingu | Maguari | Playas | Cache Valley |
|---|
|
| | Fort Sherman | 86MSP18 | 640 | <10 | <10 | 640 | 640 | | Xingu | BeM388464 | 20 | 1280 | <10 | 40 | 10 | | Maguari | Be Ar 7272 | 80 | <10 | 80 | 160 | 320 | | Playas | 75V3066 | 640 | <10 | <10 | 5120 | 2560 | | Cache Valley | 6V-633 | 640 | <10 | 10 | 5120 | 10,240 |
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