There is no specific treatment, medication, or cure for West Nile virus.

Serious cases of West Nile virus are treated with supportive therapies to ease symptoms and prevent secondary infections. These cases may require hospital or nursing care.

Is there a vaccine for West Nile virus?

At this time there is no licensed vaccine to protect people against West Nile virus

What are the long-term effects of West Nile virus?

Because West Nile virus is an emerging disease, the long-term effects are not fully understood. Studies to date show that some people with serious symptoms and health effects recover completely, while others experience prolonged health problems. These problems can include:

physical effects, such as long-term muscle weakness and paralysis, fatigue and headache;
cognitive effects, such as confusion, depression, problems with concentration and memory loss;
functional effects, such as difficulty with preparing meals, going out, shopping, etc.

Scientists do not know why some people recover while others continue to have varying degrees of health problems.