|   | 
|  Insitut Pasteur Dakar   | 
| CF test-homologous titer = 256/8.   | 
|  DAKArD 28542 gives positive results with the following immune fluids: Bunyamwera, Ilesha, Shokwe, Biaro, ArD 7343 (Bozo), ArY 357 (Mboke).   | 
|  Neutralization test eith these viruses gives the following results by the plaque-reduction method on Vero cells.   | 
|   | 
|   |       VIRUS       | 
|---|
 |       ANTISERA       |       Ngari       |       Bunyamwera       |       Ilesha       |       Shokwe       |       Biaro       |       Bozo(ArB 7343)       |       Mboke (ArY 357)       | 
|---|
 
  |  
  |  | *        Reciprocal of highest antiserum dilution producing > 90% plaque inhibition; 0 = <16.        |  |       Ngari (ArD 28542)       | 256  * |       0       |       0       |       0       |       0       |       0       |       0       |  |       Bunyamwera       |       0       |       256       |       0       |       0       |       0       |       0       |       0       |  |       Ilesha       |       0       |       0       |       256       |       0       |       0       |       0       |       0       |  |       Shokwe       |       0       |       0       |       0       |       128       |       0       |       0       |       0       |  |       Biaro       |       0       |       0       |       0       |       0       |       128       |       0       |       0       |  |       ArB 7434       |       0       |       0       |       0       |       0       |       0       |       512       |       0       |  |       ArY 357       |       0       |       0       |       0       |       0       |       0       |       0       |       256       |  
  | 
|  Results indicate that DAKArD 28542 is apparently a new virus.   | 
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