symptoms of west nile virus
1 West Nile is a virus capable of causing disease in humans. 2  Symptoms and signs include fever, headache, body aches, skin rash, and swollen lymph glands. 3  Severe symptoms may include stiff neck, sleepiness, disorientation, coma, tremors, convulsions, and paralysis. 4  Most cases of West Nile virus are mild and go unreported.