West Nile virus remains viable for at least three months in 

 0. savignyi , and transi/iission of the virus to mice by the bite of 

 parenterally-infected ticks has been demonstrated. Similarly, 

 specimens experimentally infected with Sindbis virus transmit the 

 organism when biting. 



Spirochetosis of chickens (Borrelia anserina) is not trans- 

 mitted by this tampan. 



IDENTIFICATION 

 See remarks under 0. moubata, pages 189 and 190. 



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