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| Cross complement-fixation tests results with BFS 4474, BFS 4470, and other California group viruses [1] |
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| Antigen | Immune serum |
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| Serum or Antigen | BFS 4474 | BFS 4470 | BFS 4474 | BFS 4470 |
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| | California | 32 | 16 | 32 | | Trivittatus | 4 | <4 | 32 | | Snowshoe hare | 16 | | 32 | 32 | | Florida isolate | 4 | 4 | 16 | | Tahyna | 32 | | 32 | | Lumbo | 32 | | 32 | | Melao | 16 | | 64 | | BFS 4474 | 256 | 128 | 256 | 256 | | BFS 4470 | 256 | 256 | 128 | 256 | | Guaroa | <4 | | <4 |
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| HI reactions of California group viruses with immune sera of BFS 4474 and BFS 4470 * |
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| | Immune Sera |
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| Antigen | BFS 4474 | BFS 4470 | California | Trivittatus | Florida isolate |
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| | CE | <10,10 | <10 | 320 | 20 | 20 | | TVT | 80 | 80 | 160 | >2560 | >2560 | | Florida isolate | 80 | 80 | 160 | 1280 | | SSH | 20 | 20 | 640 | 80160 | 80 | | LAC | 20 | 20 | 320 | | | TAH | <10,10 | 10 | 160 | 20 | 80 | | GRO | <10 | <10 | 10 | <10 | <10 |
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| Mouse cross-neutralization tests with BFS 4474 and BFS 4470 viruses and other California group viruses. |
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| | Serum |
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| Virus | CE | BFS 4474 | BFS 4470 | TVT | Florida isolate | Lumbo | MEL |
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| | * Courtesy of Dr. W. McD. Hammon, University of Pittsburg | | ** LNI in dex | | | | | | | | | | Univ. of Pittsburgh * | | | | | | | | California | 3.1 ** | 1.7 | 2.0 | 3.4 | 3.4 | 3.5 | 1.3 | | BFS 4474 | 2.9 | | 3.8 | | | 3.5 | 2.9 | | BFS 4470 | 2.9 | 4.6 | 4.6 | | | | | Trivittatus | | | | >5.4 | >5.4 | | | Florida isolate | 3.6 | 2.9 | 3.3 | >5.6 | >5.6 | | | Lumbo | | | | | | 3.7 | 2.0 | | Melao | 2.8 | | | | | | <3.0 |
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| SIRACA considers Jerry Slough virus to be a strain of Jamestown Canyon virus. |
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