How is West Nile encephalitis treated?

There is no specific treatment for West Nile virus infection. In more severe cases, intensive supportive therapy is indicated, often involving hospitalization, intravenous fluids, airway management, respiratory support (ventilator), prevention of secondary infections (pneumonia, urinary tract, etc.), and good nursing care.

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1. I think I have symptoms of West Nile virus. What should I do?
2. How do health care providers test for West Nile virus?
3. How is West Nile encephalitis treated?