Presse Med
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A DISEASE ON THE COME BACK: West Nile encephalitis has been known since the thirties. It generally occurs in Africa and Western Asia, rarely in Europe. The disease has disappeared from France since 1960, but has reappeared in the United States and in Israel. ⋯ After 2 to 15 days incubation, the patient experiences fever, headache, diffuse pain, and sometimes skin rash. Disorientation, stiff neck, convulsions and paralysis then develop and lead to death in 10 to 15% of the cases. No antiviral agent is active against the West Nile virus.