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CF test: homologous titer = 32/16 |
J.P. Digoutte and G. Heme, Institute Pasteur, Dakar. |
ArA 5937/82 did not react with any virus except Botambi and ArA 3673 (Oubi). |
Cross-CF and neutralizaton test with Botambi gave the following results: |
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COMPLEMENT- FIXATION TEST |
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Antisera | Antigens |
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| ArA 5937 | Botambi | Oubi |
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| * Maximum antibody titer/optimum antigen titer. | Dabakala (ArA 5937) | 32/16 * | 8/32 | <8/8 | Botambi | 256/16 | 512/32 | 64/32 | Oubi (ArA 3673) | 16/16 | 32/64 | 128/32 |
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|
NEUTRALIZATION TEST |
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Antisera | Viruses |
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| ArA 5937 | Botambi | Oubi |
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|
| ** LNI given in dex | Dabakala (ArA 5937) | 5.3 ** | 0.9 | 1.2 | Botambi | 0.8 | 2.4 | 0.5 | Oubi (ArA 3673) | 2.3 | 0.3 | 2.9 |
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Results indicate that strain ArA 5937 represents a distinct virus related to Botambi and ArA 3673 (Oubi). |
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